US Bridges

Old Spanish Trail over Coulee

FairPosted for load

Acadia Parish, Louisiana · 0.5 Mi. E. of LA 91 · Structure no. 030130107922971

Built
1975
50 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete
Length
38 ft
2 main spans
Daily traffic
96
2020 count
Owner
County
County Highway Agency

About this bridge

Old Spanish Trail over Coulee is a concrete slab carrying Old Spanish Trail over Coulee in Acadia Parish, Louisiana. It was built in 1975, so it is 50 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. Its operating status is: posted for load restriction.

It carries about 96 vehicles a day, projected to reach 105 by 2040. The structure is 38 ft (11.6 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOld Spanish Trail
CrossesCoulee
Location0.5 Mi. E. of LA 91
RouteCounty Highway 0
Coordinates30.17987, -92.49498
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.2 US tons
Inventory rating17.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96 (2020)
Projected traffic105 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Old Spanish Trail over Coulee built?

It was built in 1975, making it 50 years old in 2025.

What condition is Old Spanish Trail over 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 July 2024.

How much traffic does Old Spanish Trail over Coulee carry?

About 96 vehicles per day (2020 count).

How long is Old Spanish Trail over Coulee?

The structure is 38 ft (11.6 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns Old Spanish Trail over Coulee?

It is owned by the County Highway Agency.