US Bridges

LA0182 over 40 Arpent Canal

Fair

Lafourche Parish, Louisiana · .01 MI West of LA 652 · Structure no. 022900050606241

Built
1952
73 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
80 ft
4 main spans
Daily traffic
7,322
2021 count
Owner
State
State Highway Agency

About this bridge

LA0182 over 40 Arpent Canal is a concrete slab carrying LA0182 over 40 Arpent Canal in Lafourche Parish, Louisiana. It was built in 1952, so it is 73 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 7,322 vehicles a day, roughly 11% of them trucks, projected to reach 8,054 by 2041. The structure is 80 ft (24.4 m) long and 33 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

Open in Google Maps
CarriesLA0182
Crosses40 Arpent Canal
Location.01 MI West of LA 652
RouteState Highway 182
CountyLafourche Parish
StateLouisiana
Coordinates29.71169, -90.6185
Functional classUrban Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37 US tons
Inventory rating22 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span20 ft (6.1 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,322 (2021)
Projected traffic8,054 by 2041
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$412,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0182 over 40 Arpent Canal built?

It was built in 1952, making it 73 years old in 2025.

What condition is LA0182 over 40 Arpent Canal 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 January 2024.

How much traffic does LA0182 over 40 Arpent Canal carry?

About 7,322 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is LA0182 over 40 Arpent Canal?

The structure is 80 ft (24.4 m) long with a longest span of 20 ft (6.1 m) and a deck 33 ft wide.

Who owns LA0182 over 40 Arpent Canal?

It is owned by the State Highway Agency.