US Bridges

Wright RD over Coulee

Good

Vermilion Parish, Louisiana · 2.8 MI S of LA 14 · Structure no. 035729579922561

Built
1969
56 years old
Condition
Good
inspected July 2023
Type
Channel Beam
Concrete
Length
48 ft
2 main spans
Daily traffic
150
2022 count
Owner
County
County Highway Agency

About this bridge

Wright RD over Coulee is a concrete channel beam carrying Wright RD over Coulee in Vermilion Parish, Louisiana. It was built in 1969, so it is 56 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 150 vehicles a day, projected to reach 165 by 2042. The structure is 48 ft (14.6 m) long and 22 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesWright RD
CrossesCoulee
Location2.8 MI S of LA 14
RouteCounty Highway 0
Coordinates29.96671, -92.42847
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span24 ft (7.3 m)
Deck width22 ft (6.8 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2022)
Projected traffic165 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Wright RD over Coulee built?

It was built in 1969, making it 56 years old in 2025.

What condition is Wright 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 July 2023.

How much traffic does Wright RD over Coulee carry?

About 150 vehicles per day (2022 count).

How long is Wright 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 Wright RD over Coulee?

It is owned by the County Highway Agency.