US Bridges

LA0182 over St. Louis Canal

Good

Terrebonne Parish, Louisiana · 0.7 MI West of LA 24 · Structure no. 025500050508191

Built
2004
21 years old
Condition
Good
inspected February 2024
Type
Slab
Concrete
Length
99 ft
5 main spans
Daily traffic
3,687
2021 count
Owner
State
State Highway Agency

About this bridge

LA0182 over St. Louis Canal is a concrete slab carrying LA0182 over St. Louis Canal in Terrebonne Parish, Louisiana. It was built in 2004, so it is 21 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,687 vehicles a day, roughly 11% of them trucks, projected to reach 4,055 by 2041. The structure is 99 ft (30.2 m) long and 42 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLA0182
CrossesSt. Louis Canal
Location0.7 MI West of LA 24
RouteState Highway 182
Coordinates29.61072, -90.7131
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.7 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length99 ft (30.2 m)
Longest span20 ft (6.1 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,687 (2021)
Projected traffic4,055 by 2041
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0182 over St. Louis Canal built?

It was built in 2004, making it 21 years old in 2025.

What condition is LA0182 over St. Louis Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does LA0182 over St. Louis Canal carry?

About 3,687 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is LA0182 over St. Louis Canal?

The structure is 99 ft (30.2 m) long with a longest span of 20 ft (6.1 m) and a deck 42 ft wide.

Who owns LA0182 over St. Louis Canal?

It is owned by the State Highway Agency.