Status: Open to traffic
Location: 29.696739,-91.214204
Carries LA 182 (Old U.S. Hwy 90) over Atchafalaya River
Design: truss/through/k-parker
Design Details: K-Parker through truss
Total Length: 3745.1 Feet
Span Length: 607.7 Feet
Overview: Through truss bridge over Atchafalaya River on LA 182 (old US 90) between Berwick and Morgan City
History: Built 1933 by the Mt. Vernon Bridge Co.
Built: 1933
Location: St. Mary Parish
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144393
Atchafalaya River Old U.S. 90 Bridge
Photo taken by C Hanchey in August 2009
144394
Atchafalaya River Old U.S. 90 Bridge
Photo taken by C Hanchey in August 2009
144395
Atchafalaya River Old U.S. 90 Bridge
Photo taken by C Hanchey in August 2009
144396
Atchafalaya River Old U.S. 90 Bridge
Photo taken by C Hanchey in August 2009
144397
Atchafalaya River Old U.S. 90 Bridge
Photo taken by C Hanchey in August 2009
144398
Atchafalaya River old and new U.S. 90 Bridges
Old US 90 Bridge on the left and new US 90 Bridge on the right
Photo taken by C Hanchey in August 2009
159077
Side View with Pedestrian Walkway
Photo taken by David Backlin in March 2010
159078
Pedestrian Walkway Close-up
Photo taken by David Backlin in March 2010
316985
Blessing of the fleet, Morgan City -- Berwick, La.
Boston Public Library
349756
Photo taken in September 2015
349757
Photo taken in September 2015
418731
Deck truss Approach Span
Photo taken by Cliff Darby in February 2018
418732
3/4 shot from Berwick
Photo taken by Cliff Darby in February 2018
418733
Old and Older.
Photo taken by Cliff Darby in February 2018
418734
Pedestrian Walkway
I really wanna walk it but I'm not comfortable leaving my motorcycle or car on the banks
Photo taken by Cliff Darby in February 2018
498635
View from north on the Berwick side
Photo taken by Brian R. Warren in May 2021
511689
Long-Allen Bridge
1930s view
Photo from old postcard
Status: Open to traffic
Location: 29.695421,-91.213891
Carries US 90 over Atchafalaya River
Design: truss/through/warren
Design Details: Cantilevered Warren through truss
Total Length: 1838.4 Feet
Span Length: 617.0 Feet
Overview: Through truss bridge over Atchafalaya River on US 90 between Berwick and Morgan City
History: Built 1975, Opened April 12, 1977
Built: 1975
Location: St. Mary Parish
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144399
Atchafalaya River US 90 Bridge
Photo taken by C Hanchey in August 2009
144400
Atchafalaya River US 90 Bridge
Photo taken by C Hanchey in August 2009
144401
Atchafalaya River old and new U.S. 90 Bridges
Old US 90 Bridge on the left and new US 90 Bridge on the right
Photo taken by C Hanchey in August 2009
159076
East Approach
Photo taken by David Backlin in March 2010
311374
Photo taken by M. D. Caillet in December 2014
311375
Photo taken by M. D. Caillet in December 2014
311376
Photo taken by M. D. Caillet in December 2014
311377
Photo taken by M. D. Caillet in December 2014
418726
3/4 Shot from Berwick
Photo taken by Cliff Darby in February 2018
418727
Joint
Photo taken by Cliff Darby in February 2018
418728
Photo taken by Cliff Darby in February 2018
418729
Two beautiful bridges
Photo taken by Cliff Darby in February 2018
Status: Open to traffic
Location: 29.791890,-91.498512
Carries LA 3069 over Bayou Teche
Design: other
Design Details: Swing
Total Length: 325.0 Feet
Span Length: 180.0 Feet
Overview: Swing bridge over Bayou Teche on LA 3069 in Franklin
History: Built 1963
Built: 1963
Location: St. Mary Parish
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288699
Bayou Teche LA 3069 Bridge
Franklin LA
Photo taken by Douglas Butler in April 2013
Status: Open to traffic
Location: 29.801667,-91.491667
Carries LA 322 over Bayou Teche
Design: other
Design Details: Swing
Total Length: 401.8 Feet
Span Length: 165.0 Feet
Overview: Swing bridge over Bayou Teche on LA 322 in Franklin
History: Built 1971
Built: 1971
Location: St. Mary Parish
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288700
Bayou Teche LA 322 Bridge
Closed
Photo taken by Douglas Butler in April 2013
Status: Demolished
Location: 29.840569,-91.455152
Carries LA 323 over Bayou Teche
Design: truss/pony/warren/verticals
Design Details: Swing polygonal Warren pony truss. 165' swing span on creosoted pile piers with concrete caps; seven 21' combination I-beam approach spans on creosoted pile bents.
Total Length: 313.9 Feet
Span Length: 165.0 Feet
Overview: Swing bridge over Bayou Teche on LA 323
History: Built 1941; demolished 2019 (replacement under construction)
Built: 1941
Location: St. Mary Parish
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144418
Bayou Teche LA 323 Bridge
Photo taken by C Hanchey in August 2009
144419
Bayou Teche LA 323 Bridge
Photo taken by C Hanchey in August 2009
144420
Bayou Teche LA 323 Bridge
Photo taken by C Hanchey in August 2009
261653
Photo taken by Douglas Butler
Status: Open to traffic
Location: 29.886777,-91.523342
Carries LA 324 over Bayou Teche
Design: other
Design Details: Swing
Total Length: 348.0 Feet
Span Length: 204.0 Feet
Overview: Swing bridge over Bayou Teche on LA 324 in Charenton
History: Built 1945
Built: 1945
Location: St. Mary Parish
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144421
Bayou Teche LA 324 Bridge
Photo taken by C Hanchey in August 2009
261654
Photo taken by Douglas Butler
Status: Open to traffic
Location: 29.878922,-91.585534
Carries LA 670 over Bayou Teche
Design: other
Design Details: Swing
Total Length: 283.0 Feet
Span Length: 134.8 Feet
Overview: Swing bridge over Bayou Teche on LA 670
History: Built ca. 1990
Built: ca. 1990
Location: St. Mary Parish
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Status: Open to traffic
Location: 29.826944,-91.541111
Carries LA 182 over Charenton
Design: truss/through
Design Details: Through truss
Total Length: 2421.3 Feet
Span Length: 300.0 Feet
Overview: Through truss bridge over Charenton on LA 182 in Baldwin
History: Built 1941
Built: 1941
Location: St. Mary Parish
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Status: Open to traffic
Location: 29.785000,-91.523333
Carries Chatsworth Road over Franklin Canal
Design: other
Design Details: Swing
Total Length: 203.0 Feet
Span Length: 134.8 Feet
Overview: Swing bridge over Franklin Canal on Chatsworth Road in Franklin
History: Built 1985
Built: 1985
Location: St. Mary Parish
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Status: Demolished and replaced.
Location: 29.771667,-91.785000
Carries LA 319 over Intracoastal Waterway
Design: other
Design Details: Swing
Total Length: 644.8 Feet
Span Length: 240.1 Feet
Overview: Swing bridge over the Intracoastal Waterway on LA 319
History: Built 1968 replaced in 2005
Built: 1968
Location: St. Mary Parish
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210478
Photo From LADOT
210479
Photo From LADOT
210480
Photo From LADOT
210481
Photo From LADOT
263947
Photo taken by Douglas Butler
Status: Open to traffic
Location: 29.707378,-91.299227
Carries Bridge Road over Lower Atchafalaya River
Design: other
Design Details: Swing
Total Length: 709.8 Feet
Span Length: 149.9 Feet
Overview: Swing bridge over Lower Atchafalaya River on Bridge Road in Patterson
History: Built ca. 1990
Built: ca. 1990
Location: St. Mary Parish
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340484
Photo taken by Douglas Butler in December 2014
Status: Open to traffic
Location: 29.891667,-91.613333
Carries Sorrell Bridge App Road over Teche Bayou
Design: other
Design Details: Swing
Total Length: 366.0 Feet
Span Length: 180.0 Feet
Overview: Swing bridge over Teche Bayou on Sorrell Bridge App Road
History: Built 1972
Built: 1972
Location: St. Mary Parish
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Status: Open to traffic
Location: 29.692396,-91.212723
Carries BNSF/UP Railroads over Atchafalaya River (Berwick Bay)
Design: truss/through/warren
Design Details: Combination swing bridge and vertical lift bridge.
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Lift bridge over Atchafalaya River (Berwick Bay) on the BNSF/UP Railroads between Berwick and Morgan City
History: Built 1908; lift span added in 1969
Built: 1908
Location: St. Mary Parish
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144402
Union Pacific Railroad Lift and Swing Bridge
Photo taken by C Hanchey in August 2009
144403
Union Pacific Railroad Lift and Swing Bridge
Photo taken by C Hanchey in August 2009
144404
Union Pacific Railroad Lift and Swing Bridge
Photo taken by C Hanchey in August 2009
144405
Union Pacific Railroad Lift and Swing Bridge
Photo taken by C Hanchey in August 2009
144406
Union Pacific Railroad Lift and Swing Bridge
Photo taken by C Hanchey in August 2009
144407
Union Pacific Railroad Lift and Swing Bridge
Photo taken by C Hanchey in August 2009
239197
264961
Union Pacific Railroad Bridge
Louisiana
Photo taken by Douglas Butler
264962
Union Pacific Railroad bridge
In the raised position
Photo taken by Douglas Butler
264963
Union Pacific Railroad Bridge
A swing bridge in the fixed position
Photo taken by Douglas Butler
406378
Union Pacific Railroad Lift and Swing Bridge
Taken from a boat trip in October 2017. Grizzaffi and Long-Allen Bridges in background.
Photo taken by Jeff Dubea in October 2017
406379
Union Pacific Railroad Lift and Swing Bridge
Taken from a boat trip in October 2017. Grizzaffi and Long-Allen Bridges in background.
Photo taken by Jeff Dubea in October 2017
418722
Photo taken by Cliff Darby in February 2018
418723
Photo taken by Cliff Darby in February 2018
418724
Photo taken by Cliff Darby in February 2018
418725
Photo taken by Cliff Darby in February 2018
438935
Swing bridge once in operation now machinery removed
Photo taken by Douglas Butler in November 2018
Status: Open to traffic
Location: 29.698335,-91.373785
Carries Union Pacific Railroad (former Southern Pacific Railroad) over Wax Lake Outlet
Design: truss/through/polygonal
Design Details: Three span polygonal through truss with riveted connections.
Total Length: 1340.0 Feet
Span Length: 400.0 Feet
Overview: Through truss bridge over Wax Lake Outlet on Union Pacific Railroad
History: Built 1941 by the Bethlehem Steel Co. for the Southern Pacific Railway
Built: 1941
Location: St. Mary Parish
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159143
Photo taken by David Backlin in March 2010
192544
Bridge Builder Plaque
Photo taken by C Hanchey in January 2011
192545
Photo taken by C Hanchey in January 2011
192546
Photo taken by C Hanchey in January 2011
192547
Photo taken by C Hanchey in January 2011
Status: Open to traffic
Location: 29.825684,-91.538223
Carries LA 182 (old US 90) over Charenton Canal
Design: truss/through/k-parker
Design Details: K-Parker through truss
Total Length: 2422.0 Feet
Span Length: 299.9 Feet
Overview: Through truss bridge over Charenton Canal on LA182
History: Built 1941
Built: 1941
Location: St. Mary Parish
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197603
Old US 90 Charenton Canal Bridge
Photo taken by C Hanchey in April 2011
197604
Old US 90 Charenton Canal Bridge
Photo taken by C Hanchey in April 2011
334548
LA DOTD
Status: Open to traffic
Location: 29.771427,-91.785219
Carries LA 319 over Intracoastal Canal
Design: other
Design Details: Bascule
Total Length: 5513.4 Feet
Span Length: 275.9 Feet
Overview: Bascule bridge over Intracoastal Canal on LA 319
History: Built 2005
Built: 2005
Location: St. Mary Parish
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210482
Photo From LADOT
210483
Photo From LADOT
210484
Photo From LADOT
210485
Photo From LADOT
210486
Shop fabrication of girder.
Photo From LADOT
210487
Photo From LADOT
210488
Photo From LADOT
210489
Photo From LADOT
210490
Trunnion
Photo From LADOT
210491
Trunnion.
Photo From LADOT
210492
Photo From LADOT
210493
Gear and rack.
Photo From LADOT
210494
Photo From LADOT
210495
Photo From LADOT
210496
Photo From LADOT
210497
Photo From LADOT
210498
Photo From LADOT
210499
Photo From LADOT
260751
Drawing
Drawing made by Douglas Butler
291738
Louisa bridge
Bridge at Louisa near Cypremort LA
Photo taken by Douglas Butler in April 2013
419577
ICWW bridge
As seen from the intersection of LA 319 / LA 83 / Louisa Road
Photo taken by Cliff Darby in March 2018
Status: Open to traffic
Location: 29.826810,-91.527510
Carries Katy Bridge App Road over Bayou Teche
Design: beam/stringer/steel
Design Details: Steel stringer
Total Length: 386.2 Feet
Span Length: 180.1 Feet
Overview: Swing bridge over Bayou Teche on Katy Bridge App Road
History: Built 1959
Built: 1959
Location: St. Mary Parish
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288701
Katy Bridge
Louisiana has tons of swing bridges
Photo taken by Douglas Butler in April 2013
Status: Open to traffic
Location: 29.677760,-91.139502
Carries US 90 BUS/LA 182 over Ramos Bayou
Design: beam/tee
Design Details: Concrete tee beam
Total Length: 465.9 Feet
Span Length: 30.8 Feet
Overview: Concrete tee beam bridge over Ramos Bayou on US 90 BUS/LA 182 (Old US 90)
History: Built 1932; rehabilitated 1989
Built: 1932
Location: St. Mary Parish
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Status: Open to traffic
Location: 29.762552,-91.433462
Carries Centerville Bridge Road over Bayou Teche
Design: beam/stringer/steel
Design Details: Steel stringer
Total Length: 546.0 Feet
Span Length: 20.0 Feet
Overview: Swing bridge over Bayou Teche on Centerville Bridge Road
History: Built 1972
Built: 1972
Location: St. Mary Parish
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Status: Open to traffic
Location: 29.708631,-91.351088
Carries Zenor Road over Bayou Teche
Design: girder/deck/plate
Design Details: Deck plate girder
Total Length: 546.0 Feet
Span Length: 180.1 Feet
Overview: Swing bridge over Bayou Teche on Zenor Road
History: Built 1969
Built: 1969
Location: St. Mary Parish
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288698
Zenor Bridge
Louisiana
Photo taken by Douglas Butler in April 2013
Status: Replaced by a new bridge
Location: 29.687804,-91.159792
Carries US 90 BUS/LA 182 over Southern Pacific RR
Design: beam/stringer/steel
Design Details: Steel stringer
Total Length: 985.0 Feet
Span Length: 76.1 Feet
Overview: Lost Steel stringer bridge over Southern Pacific RR on US 90 BUS/LA 182
History: Built 1936; replaced 1997
Built: 1936
Location: St. Mary Parish
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Status: Open
Location: 29.823094,-91.541023
Carries Union Pacific Railroad (formerly Southern Pacific) over Charenton Canal
Design: truss/through
Design Details: Swing truss
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Through truss bridge over Charenton Canal on Union Pacific Railroad (formerly Southern Pacific)
History:
Built:
Location: St. Mary Parish
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288702
Charenton Canal RR Bridge
Closed for train traffic
Photo taken by Douglas Butler in April 2013
288703
Charenton Canal RR Bridge
Open for boats
Photo taken by Douglas Butler in March 2013
Status: Replaced by a new bridge
Location: 29.698659,-91.373515
Carries US-90 over Wax Lake Outlet
Design: truss/through/k-parker
Design Details: K-Parker through truss
Total Length: 1306.2 Feet
Span Length: 511.2 Feet
Overview: Polygonal Warren through truss bridge over Wax Lake Outlet on US-90
History: Built 1941, replaced 1995
Built: 1941
Location: St. Mary Parish
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255096
Wax Lake Bridges
Photo from State Library of Louisiana
Status: Replaced by a new bridge
Location: 29.890000,-91.525000
Carries LA-87 over Charenton Canal
Design: beam/tee
Design Details: Concrete tee beam
Total Length: 282.2 Feet
Span Length: 40.0 Feet
Overview: Lost Concrete tee beam bridge over Charenton Canal on LA-87
History: Built 1940
Built: 1940
Location: St. Mary Parish
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Status: Open
Location: 29.668530,-91.099111
Carries Railroad over Bayou Boeuf
Design: girder/pony/plate
Design Details: Pony plate girder
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Pony plate girder bridge over Bayou Boeuf on Railroad
History: Built 1907;
Built: 1907
Location: St. Mary Parish
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288697
BNSF Bayou Boeuf Bridge
Morgan City LA
Photo taken by Douglas Butler
306946
BNSF - Bayou Boeuf Bridge
Louisiana
Photo taken by Douglas Butler in March 2013
462271
BNSF - Bayou Boeuf Bridge
looking north
Photo taken by Jimbaux
463079
BNSF - Bayou Boeuf Bridge
Photo from Needpix
Status: Open
Location: 29.698326,-91.373600
Carries BNSF Railway over Yellow Bayou
Design: truss/through/polygonal
Design Details: Polygonal Warren through truss
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Through truss bridge over Yellow Bayou on BNSF Railway
History:
Built:
Location: St. Mary Parish
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Status: Replaced by a new bridge
Location: 29.772248,-91.784690
Carries Louisiana Route 319 over Intracoastal Waterway
Design: truss/through
Design Details: Through truss swing
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Lost Through truss bridge over Intracoastal Waterway on Louisiana Route 319
History: Replaced in 1968
Built:
Location: St. Mary Parish
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291737
Intracoastal Waterway Bridge (Older)
Removed
Photo taken by Douglas Butler in June 2013
467517
Photo taken by
Status: Replaced by a new bridge
Location: 29.692348,-91.212628
Carries Southern Pacific Railroad over Atchafalaya River
Design: truss/through
Design Details: Through truss
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Lost Through truss bridge over Atchafalaya River on Southern Pacific Railroad
History:
Built:
Location: St. Mary Parish
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367327
Image
Published prior to 1923
367328
Image
Published prior to 1923
367329
Image
Published prior to 1923
367330
Image
Published prior to 1923
367331
Image
Published prior to 1923
367332
Image
Published prior to 1923
367333
Image
Published prior to 1923
367334
Image
Published prior to 1923
510124
Southern Pacific Railroad Bridge
Photo from old postcard
Status: No longer exists
Location: 29.680920,-91.471481
Carries Route 317 over Deep Channel Bayou
Design: unknown
Design Details:
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Bridge over Deep Channel Bayou on Route 317
History: Built 1982
Built: 1982
Location: St. Mary Parish
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Status: Removed but not replaced
Location: 29.685502,-91.190255
Carries LA 1092E (formerly US 90 / LA 2) over Bayou Boeuf
Design: truss/through/warren
Design Details: Warren through truss drawbridge
Total Length: 650.0 Feet
Span Length: 0.0 Feet
Overview: Lost Warren through truss drawbridge over Bayou Boeuf on LA 1092E (formerly US 90 / LA 2)
History: Built 1912; damaged 1938 and replaced by ferry
Built: 1912
Location: St. Mary Parish
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388498
Avoca Island Bridge
Removed
Photo taken by Douglas Butler in April 2017
388345
Public Domain: Published Prior to 1923; Provided by the Louisiana State University Libraries
435518
Removed
Photo taken by Douglas Butler in May 2017
Status: Replaced by a new bridge
Location: 29.692604,-91.212163
Carries Morgan's Louisiana & Texas Railroad & Steamship Co. over Atchafalaya River
Design: truss/through/pratt
Design Details: Multi-span Pratt through truss
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Lost Pratt truss bridge over Atchafalaya River on Morgan's Louisiana & Texas Railroad & Steamship Co.
History: Built 1881; Replaced 1908
Built: 1881
Location: St. Mary Parish
View Bridge Information In Wayback Machine
400188
Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S - Dismantled and/or in storage. L - Severe loss of historic integrity due to alteration.
