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Nearby Bridges in NBI 2021: 3


LA0631 over BAYOU DESALLEMAND (Route: 631)
Num:24508450600001x
Posted for load [P]
Built: 1935, Reconstructed: N/A [0000]
Historic: Bridge is eligible for the NRHP. [2]

Google Streetview (If Available)

Rough Distance: 0 Miles (0.1 Kilometers)

Bridge Type
Main Span(s): Steel [3] Movable - Swing [17]
Approach Span(s): Steel [3] Mixed types [20]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 165.2 m = 542.0 ft
Main Spans: 1 at 33.8 m = 110.9 ft
Approach Spans: 9
Skew: 0
Width, Roadway: 7.3 m = 24.0 ft (2 Lanes) and Out-To-Out: 9 m = 29.5 ft for a 11 m = 36.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 1.2 m = 3.9 ft
Location
Unknown [00000]: St. Charles Parish [089], Louisiana [22]
Owned by State Highway Agency [01], DOT District: 2
.4 MI WEST OF LA 632
Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Satisfactory [6]
Loading
Design: M 13.5 / H 15 [2]
Operating: 10.7 metric ton = 11.8 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 8.1 metric ton = 8.9 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Basically intolerable requiring high priority of corrrective action [3]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: July 1999 [799] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 1280 (2016) and Trucks: 13%
Future ADT: 2550 (In 2036 )
US0090 over B DESALLEMANDS (Route: 90)
Num:24500050800002x
Open: no restriction [A]
Built: 1961, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.2 Miles (0.4 Kilometers)

Bridge Type
Main Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 795.8 m = 2611.0 ft
Main Spans: 38 at 45.7 m = 149.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 8.5 m = 27.9 ft (2 Lanes) and Out-To-Out: 10.1 m = 33.1 ft for a 11.9 m = 39.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 11 m = 36.1 ft
Location
Unknown [00000]: St. Charles Parish [089], Louisiana [22]
Owned by State Highway Agency [01], DOT District: 2
.4 MI WEST OF LA 362
Condition
Deck: Satisfactory [6]
Superstructure: Fair [5]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 49.9 metric ton = 54.9 tons (Load Factor(LF) [1])
Inventory: 29.9 metric ton = 32.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Basically intolerable requiring high priority of corrrective action [3]
Road Alignment: Better than present minimum criteria [7]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: September 1999 [999] and Frequency: 24
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 1.6 km = 1.0 mi
Traffic
ADT: 17200 (2016) and Trucks: 10%
Future ADT: 33252 (In 2036 )
US0090 over B DESALLEMANDS (Route: 90)
Num:24500050800001x
Open: no restriction [A]
Built: 1961, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.5 Kilometers)

Bridge Type
Main Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 795.8 m = 2611.0 ft
Main Spans: 38 at 45.7 m = 149.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 8.5 m = 27.9 ft (2 Lanes) and Out-To-Out: 10.1 m = 33.1 ft for a 12.2 m = 40.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 10.7 m = 35.1 ft
Location
Unknown [00000]: St. Charles Parish [089], Louisiana [22]
Owned by State Highway Agency [01], DOT District: 2
.4 MI WEST OF LA 362
Condition
Deck: Satisfactory [6]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 49.9 metric ton = 54.9 tons (Load Factor(LF) [1])
Inventory: 29.9 metric ton = 32.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Basically intolerable requiring high priority of corrrective action [3]
Road Alignment: Better than present minimum criteria [7]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: September 1999 [999] and Frequency: 24
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 17200 (2016) and Trucks: 10%
Future ADT: 33252 (In 2036 )

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.

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