US Bridges

Thomas Ave over Coulee Garrigue

Good

St. Landry Parish, Louisiana · 1.5 Mi. SW of US 167 · Structure no. 034930361920851

Built
1994
31 years old
Condition
Good
inspected January 2025
Type
Culvert
Steel
Length
31 ft
3 main spans
Daily traffic
125
2020 count
Owner
County
County Highway Agency

About this bridge

Thomas Ave over Coulee Garrigue is a steel culvert carrying Thomas Ave over Coulee Garrigue in St. Landry Parish, Louisiana. It was built in 1994, so it is 31 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 125 vehicles a day, projected to reach 137 by 2040. The structure is 31 ft (9.4 m) long and 63 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesThomas Ave
CrossesCoulee Garrigue
Location1.5 Mi. SW of US 167
RouteCounty Highway 0
CountySt. Landry Parish
StateLouisiana
Coordinates30.59867, -92.14406
Functional classRural Minor Arterial

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating107.1 US tons
Inventory rating82.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span7 ft (2.1 m)
Deck width63 ft (19.2 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2020)
Projected traffic137 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Thomas Ave over Coulee Garrigue built?

It was built in 1994, making it 31 years old in 2025.

What condition is Thomas Ave over Coulee Garrigue 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 January 2025.

How much traffic does Thomas Ave over Coulee Garrigue carry?

About 125 vehicles per day (2020 count).

How long is Thomas Ave over Coulee Garrigue?

The structure is 31 ft (9.4 m) long with a longest span of 7 ft (2.1 m) and a deck 63 ft wide.

Who owns Thomas Ave over Coulee Garrigue?

It is owned by the County Highway Agency.