US Bridges

US0090 over Vacherie Canal

Fair

St. Mary Parish, Louisiana · 1.4 MI East of LA 318 · Structure no. 035104240504231

Built
1978
47 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
60 ft
3 main spans
Daily traffic
8,073
2021 count
Owner
State
State Highway Agency

About this bridge

US0090 over Vacherie Canal is a concrete slab carrying US0090 over Vacherie Canal in St. Mary Parish, Louisiana. It was built in 1978, so it is 47 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 8,073 vehicles a day, roughly 24% of them trucks, projected to reach 8,880 by 2041. The structure is 60 ft (18.3 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS0090
CrossesVacherie Canal
Location1.4 MI East of LA 318
RouteU.S. Route 90
CountySt. Mary Parish
StateLouisiana
Coordinates29.85704, -91.61206
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
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 rating35.1 US tons
Inventory rating27.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span20 ft (6.1 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,073 (2021)
Projected traffic8,880 by 2041
Trucks24%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 US0090 over Vacherie Canal built?

It was built in 1978, making it 47 years old in 2025.

What condition is US0090 over Vacherie 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 September 2024.

How much traffic does US0090 over Vacherie Canal carry?

About 8,073 vehicles per day (2021 count), of which roughly 24% are trucks.

How long is US0090 over Vacherie Canal?

The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns US0090 over Vacherie Canal?

It is owned by the State Highway Agency.