US Bridges

Raoul RD over Coulee

Fair

Vermilion Parish, Louisiana · 1.09 MI W of LA 35 · Structure no. 035729587923481

Built
1960
65 years old, rebuilt 2015
Condition
Fair
inspected July 2023
Type
Channel Beam
Concrete
Length
48 ft
2 main spans
Daily traffic
30
2022 count
Owner
County
County Highway Agency

About this bridge

Raoul RD over Coulee is a concrete channel beam carrying Raoul RD over Coulee in Vermilion Parish, Louisiana. It was built in 1960 and reconstructed in 2015, so it is 65 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 30 vehicles a day, projected to reach 33 by 2042. The structure is 48 ft (14.6 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRaoul RD
CrossesCoulee
Location1.09 MI W of LA 35
RouteCounty Highway 0
Coordinates29.97761, -92.58087
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.1 US tons
Inventory rating21.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span24 ft (7.3 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2022)
Projected traffic33 by 2042
Trucks—
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

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 Raoul RD over Coulee built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2015.

What condition is Raoul RD 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 2023.

How much traffic does Raoul RD over Coulee carry?

About 30 vehicles per day (2022 count).

How long is Raoul RD over Coulee?

The structure is 48 ft (14.6 m) long with a longest span of 24 ft (7.3 m) and a deck 22 ft wide.

Who owns Raoul RD over Coulee?

It is owned by the County Highway Agency.