US Bridges

Little Teche RD over Coulee Rouge

Good

St. Landry Parish, Louisiana · 0.9 MI N of LA 31 · Structure no. 034900000800318

Built
2011
14 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
160 ft
4 main spans
Daily traffic
50
2020 count
Owner
County
County Highway Agency

About this bridge

Little Teche RD over Coulee Rouge is a prestressed concrete box beam or girders - multiple carrying Little Teche RD over Coulee Rouge in St. Landry Parish, Louisiana. It was built in 2011, so it is 14 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.

It carries about 50 vehicles a day, projected to reach 55 by 2040. The structure is 160 ft (48.8 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLittle Teche RD
CrossesCoulee Rouge
Location0.9 MI N of LA 31
RouteCounty Highway 0
Coordinates30.49522, -92.03043
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60.7 US tons
Inventory rating39.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length160 ft (48.8 m)
Longest span40 ft (12.2 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic55 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Little Teche RD over Coulee Rouge built?

It was built in 2011, making it 14 years old in 2025.

What condition is Little Teche RD over Coulee Rouge 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 2023.

How much traffic does Little Teche RD over Coulee Rouge carry?

About 50 vehicles per day (2020 count).

How long is Little Teche RD over Coulee Rouge?

The structure is 160 ft (48.8 m) long with a longest span of 40 ft (12.2 m) and a deck 27 ft wide.

Who owns Little Teche RD over Coulee Rouge?

It is owned by the County Highway Agency.