US Bridges

Rougeau Rd. over Bayou Choupique

Fair

St. Landry Parish, Louisiana · 0.6 MI S. of LA 29 · Structure no. 034930320922161

Built
1987
38 years old
Condition
Fair
inspected January 2025
Type
Culvert
Steel
Length
33 ft
3 main spans
Daily traffic
85
2020 count
Owner
County
County Highway Agency

About this bridge

Rougeau Rd. over Bayou Choupique is a steel culvert carrying Rougeau Rd. over Bayou Choupique in St. Landry 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 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 85 vehicles a day, projected to reach 93 by 2040. The structure is 33 ft (10.1 m) long and 53 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRougeau Rd.
CrossesBayou Choupique
Location0.6 MI S. of LA 29
RouteCounty Highway 0
Coordinates30.5316, -92.35829
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no 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 rating85.3 US tons
Inventory rating66 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span6 ft (1.8 m)
Deck width53 ft (16.2 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic85 (2020)
Projected traffic93 by 2040
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 Rougeau Rd. over Bayou Choupique built?

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

What condition is Rougeau Rd. over Bayou Choupique 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 January 2025.

How much traffic does Rougeau Rd. over Bayou Choupique carry?

About 85 vehicles per day (2020 count).

How long is Rougeau Rd. over Bayou Choupique?

The structure is 33 ft (10.1 m) long with a longest span of 6 ft (1.8 m) and a deck 53 ft wide.

Who owns Rougeau Rd. over Bayou Choupique?

It is owned by the County Highway Agency.