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Nearby Bridges in NBI 2021: 3


LA0001 over CO CANAL LOCKPORT (Route: 1)
Num:22900640601401x
Open: no restriction [A]
Built: 1959, 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 - Lift [15]
Approach Span(s): Concrete [1] Slab [01]
Deck: Open Grating [3] with Wearing Surface:
Bridge Dimensions
Length: 125 m = 410.1 ft
Main Spans: 1 at 48.8 m = 160.1 ft
Approach Spans: 10
Skew: 0
Width, Roadway: 8.6 m = 28.2 ft (2 Lanes) and Out-To-Out: 11.8 m = 38.7 ft for a 14.6 m = 47.9 ft approaching roadway.
Vertical Clearance: 5.31 m = 17.4 ft and Navigational Clearance: 15.2 m = 49.9 ft
Location
Unknown [00000]: Lafourche Parish [057], Louisiana [22]
Owned by State Highway Agency [01], DOT District: 2
.1 MI NORTH OF LA 655
Condition
Deck: Satisfactory [6]
Superstructure: Serious [3]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 26.6 metric ton = 29.3 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 20.4 metric ton = 22.4 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: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: June 1999 [699] 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: 1.9 km = 1.2 mi
Traffic
ADT: 11400 (2016) and Trucks: 11%
Future ADT: 18300 (In 2036 )
LOCAL ROAD over FORTY ARPENT CANAL (Route: 0)
Num:22929383903291x
Posted for load [P]
Built: 1969, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.4 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Slab [01]
Approach Span(s): Other [00]
Deck: Concrete Precast Panels [2] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 23.2 m = 76.1 ft
Main Spans: 4 at 5.8 m = 19.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 8.7 m = 28.5 ft (2 Lanes) and Out-To-Out: 9.5 m = 31.2 ft for a 7.3 m = 24.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Lockport [44900]: Lafourche Parish [057], Louisiana [22]
Owned by County Highway Agency [02], DOT District: 2
0060 LOG MI FROM INT
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 47.2 metric ton = 51.9 tons (Allowable Stress(AS) [2])
Inventory: 19 metric ton = 20.9 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Better than present minimum criteria [7]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: June 1999 [699] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 15.9 km = 9.9 mi
Traffic
ADT: 310 (1978) and Trucks: 0%
Future ADT: 465 (In 2036 )
LA0655 over BAYOU LAFOURCHE (Route: 655)
Num:22908291400791x
Posted for load [P]
Built: 1940, Reconstructed: N/A [0000]
Historic: Bridge is eligible for the NRHP. [2]

Google Streetview (If Available)

Rough Distance: 0.5 Miles (0.8 Kilometers)

Bridge Type
Main Span(s): Steel [3] Movable - Swing [17]
Approach Span(s): Other [00]
Deck: Open Grating [3] with Wearing Surface:
Bridge Dimensions
Length: 76.2 m = 250.0 ft
Main Spans: 3 at 64.6 m = 212.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 6.1 m = 20.0 ft (2 Lanes) and Out-To-Out: 8.3 m = 27.2 ft for a 8.5 m = 27.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 1.8 m = 5.9 ft
Location
Unknown [00000]: Lafourche Parish [057], Louisiana [22]
Owned by State Highway Agency [01], DOT District: 2
.79 MI EAST OF LA 1
Condition
Deck: Good [7]
Superstructure: Serious [3]
Substructure: Satisfactory [6]
Loading
Design: M 13.5 / H 15 [2]
Operating: 35.4 metric ton = 38.9 tons (Allowable Stress(AS) [2])
Inventory: 24.5 metric ton = 27.0 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Basically intolerable requiring high priority of corrrective action [3]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Meets minimum tolerable limits to be left in place as is [4]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: December 1999 [1299] 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 km = 0.6 mi
Traffic
ADT: 3800 (2016) and Trucks: 13%
Future ADT: 5700 (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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