US Bridges

LA0035 over Bayou Grand Marais

Fair

Vermilion Parish, Louisiana · 0.3 MI N. of LA 699 · Structure no. 035703950103651

Built
1976
49 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete
Length
100 ft
5 main spans
Daily traffic
1,034
2021 count
Owner
State
State Highway Agency

About this bridge

LA0035 over Bayou Grand Marais is a concrete slab carrying LA0035 over Bayou Grand Marais in Vermilion Parish, Louisiana. It was built in 1976, so it is 49 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 1,034 vehicles a day, roughly 13% of them trucks, projected to reach 1,137 by 2041. The structure is 100 ft (30.5 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLA0035
CrossesBayou Grand Marais
Location0.3 MI N. of LA 699
RouteState Highway 35
Coordinates30.08855, -92.27628
Functional classRural Major 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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating48 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span20 ft (6.1 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,034 (2021)
Projected traffic1,137 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 LA0035 over Bayou Grand Marais built?

It was built in 1976, making it 49 years old in 2025.

What condition is LA0035 over Bayou Grand Marais 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 June 2023.

How much traffic does LA0035 over Bayou Grand Marais carry?

About 1,034 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is LA0035 over Bayou Grand Marais?

The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns LA0035 over Bayou Grand Marais?

It is owned by the State Highway Agency.