US Bridges

Old LA182 Xover over Lafourche Bayou

FairPosted for load

Lafourche Parish, Louisiana · 0.01 MI N. of LA 1 · Structure no. 022929438903641

Built
1968
57 years old
Condition
Fair
inspected July 2023
Type
Movable - Lift
Steel
Length
195 ft
1 main span
Daily traffic
4,400
2020 count
Owner
County
County Highway Agency

About this bridge

Old LA182 Xover over Lafourche Bayou is a steel movable - lift carrying Old LA182 Xover over Lafourche Bayou in Lafourche Parish, Louisiana. It was built in 1968, so it is 57 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 4,400 vehicles a day, projected to reach 4,840 by 2040. The structure is 195 ft (59.4 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOld LA182 Xover
CrossesLafourche Bayou
Location0.01 MI N. of LA 1
RouteCounty Highway 0
Coordinates29.73051, -90.60708
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating22.5 US tons
Inventory rating17.5 US tons

Structure

Structure typeMovable - Lift
MaterialSteel
DeckOpen grating
Main spans1 (+6 approach)
Design loadH 15
Structure length195 ft (59.4 m)
Longest span75 ft (22.9 m)
Deck width33 ft (10.1 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deck15 ft (4.6 m)

Traffic and service

Average daily traffic4,400 (2020)
Projected traffic4,840 by 2040
Trucks—
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

OwnerCounty Highway Agency
Maintained byCounty 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$613,000
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Old LA182 Xover over Lafourche Bayou built?

It was built in 1968, making it 57 years old in 2025.

What condition is Old LA182 Xover over Lafourche Bayou 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 July 2023.

How much traffic does Old LA182 Xover over Lafourche Bayou carry?

About 4,400 vehicles per day (2020 count).

How long is Old LA182 Xover over Lafourche Bayou?

The structure is 195 ft (59.4 m) long with a longest span of 75 ft (22.9 m) and a deck 33 ft wide.

Who owns Old LA182 Xover over Lafourche Bayou?

It is owned by the County Highway Agency.