US Bridges

River RD over Coulee

Good

Vermilion Parish, Louisiana · 0.3 MI E of US 167 · Structure no. 035730001920701

Built
1970
55 years old
Condition
Good
inspected September 2023
Type
Channel Beam
Concrete
Length
42 ft
2 main spans
Daily traffic
250
2022 count
Owner
County
County Highway Agency

About this bridge

River RD over Coulee is a concrete channel beam carrying River RD over Coulee in Vermilion Parish, Louisiana. It was built in 1970, so it is 55 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 250 vehicles a day, projected to reach 275 by 2042. The structure is 42 ft (12.8 m) long and 22 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesRiver RD
CrossesCoulee
Location0.3 MI E of US 167
RouteCounty Highway 0
Coordinates30.0011, -92.11779
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44.3 US tons
Inventory rating22.2 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span20 ft (6.1 m)
Deck width22 ft (6.8 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2022)
Projected traffic275 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$177,000
NavigationNo navigation control on waterway

Frequently asked questions

When was River RD over Coulee built?

It was built in 1970, making it 55 years old in 2025.

What condition is River RD over Coulee in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does River RD over Coulee carry?

About 250 vehicles per day (2022 count).

How long is River RD over Coulee?

The structure is 42 ft (12.8 m) long with a longest span of 20 ft (6.1 m) and a deck 22 ft wide.

Who owns River RD over Coulee?

It is owned by the County Highway Agency.