US Bridges

LA0092 over Lasalle Coulee

Fair

St. Martin Parish, Louisiana · 1.5 MI East of US 90 · Structure no. 035002130701901

Built
1973
52 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete
Length
57 ft
3 main spans
Daily traffic
2,452
2021 count
Owner
State
State Highway Agency

About this bridge

LA0092 over Lasalle Coulee is a concrete slab carrying LA0092 over Lasalle Coulee in St. Martin Parish, Louisiana. It was built in 1973, so it is 52 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 2,452 vehicles a day, roughly 9% of them trucks, projected to reach 2,697 by 2041. The structure is 57 ft (17.4 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesLA0092
CrossesLasalle Coulee
Location1.5 MI East of US 90
RouteState Highway 92
CountySt. Martin Parish
StateLouisiana
Coordinates30.08844, -91.9228
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,452 (2021)
Projected traffic2,697 by 2041
Trucks9%
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0092 over Lasalle Coulee built?

It was built in 1973, making it 52 years old in 2025.

What condition is LA0092 over Lasalle Coulee 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 August 2023.

How much traffic does LA0092 over Lasalle Coulee carry?

About 2,452 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is LA0092 over Lasalle Coulee?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns LA0092 over Lasalle Coulee?

It is owned by the State Highway Agency.