US Bridges

Spring Prairie Rd. over West Fork Bayou

GoodPosted for load

Evangeline Parish, Louisiana · 0.34 MI W of LA 10 · Structure no. 032030435923051

Built
1987
38 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
34 ft
4 main spans
Daily traffic
46
2020 count
Owner
County
County Highway Agency

About this bridge

Spring Prairie Rd. over West Fork Bayou is a concrete culvert carrying Spring Prairie Rd. over West Fork Bayou in Evangeline Parish, Louisiana. It was built in 1987, so it is 38 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 46 vehicles a day, projected to reach 50 by 2040. The structure is 34 ft (10.4 m) long and 34 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesSpring Prairie Rd.
CrossesWest Fork Bayou
Location0.34 MI W of LA 10
RouteCounty Highway 0
Coordinates30.72551, -92.50889
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating24.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span8 ft (2.4 m)
Deck width34 ft (10.4 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46 (2020)
Projected traffic50 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Spring Prairie Rd. over West Fork Bayou built?

It was built in 1987, making it 38 years old in 2025.

What condition is Spring Prairie Rd. over West Fork Bayou 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 April 2024.

How much traffic does Spring Prairie Rd. over West Fork Bayou carry?

About 46 vehicles per day (2020 count).

How long is Spring Prairie Rd. over West Fork Bayou?

The structure is 34 ft (10.4 m) long with a longest span of 8 ft (2.4 m) and a deck 34 ft wide.

Who owns Spring Prairie Rd. over West Fork Bayou?

It is owned by the County Highway Agency.