US Bridges

LA0182 over Bayou Lafourche

FairPosted for load

Lafourche Parish, Louisiana · .01 MI East of LA 1 · Structure no. 022900050700011

Built
1936
89 years old, rebuilt 1956
Condition
Fair
inspected December 2023
Type
Movable - Lift
Steel
Length
240 ft
1 main span
Daily traffic
5,783
2021 count
Owner
State
State Highway Agency

About this bridge

LA0182 over Bayou Lafourche is a steel movable - lift carrying LA0182 over Bayou Lafourche in Lafourche Parish, Louisiana. It was built in 1936 and reconstructed in 1956, so it is 89 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 5,783 vehicles a day, roughly 13% of them trucks, projected to reach 6,361 by 2041. The structure is 240 ft (73.2 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLA0182
CrossesBayou Lafourche
Location.01 MI East of LA 1
RouteState Highway 182
CountyLafourche Parish
StateLouisiana
Coordinates29.7276, -90.5988
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating30 US tons

Structure

Structure typeMovable - Lift
MaterialSteel
DeckOpen grating
Main spans1 (+6 approach)
Design loadH 15
Structure length240 ft (73.2 m)
Longest span71 ft (21.6 m)
Deck width36 ft (10.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic5,783 (2021)
Projected traffic6,361 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was LA0182 over Bayou Lafourche built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1956.

What condition is LA0182 over Bayou Lafourche in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2023.

How much traffic does LA0182 over Bayou Lafourche carry?

About 5,783 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is LA0182 over Bayou Lafourche?

The structure is 240 ft (73.2 m) long with a longest span of 71 ft (21.6 m) and a deck 36 ft wide.

Who owns LA0182 over Bayou Lafourche?

It is owned by the State Highway Agency.