US Bridges

LA7281 over Gaston Coulee

Good

Lafayette Parish, Louisiana · 0.06 MI N of I-10 · Structure no. 032808280502341

Built
1982
43 years old
Condition
Good
inspected November 2024
Type
Culvert
Steel
Length
41 ft
2 main spans
Daily traffic
10,589
2021 count
Owner
State
State Highway Agency

About this bridge

LA7281 over Gaston Coulee is a steel culvert carrying LA7281 over Gaston Coulee in Lafayette Parish, Louisiana. It was built in 1982, so it is 43 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 10,589 vehicles a day, roughly 9% of them trucks, projected to reach 11,647 by 2041. The structure is 41 ft (12.5 m) long and 64 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLA7281
CrossesGaston Coulee
Location0.06 MI N of I-10
RouteState Highway 7281
Coordinates30.26387, -92.0078
Functional classUrban 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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span18 ft (5.5 m)
Deck width64 ft (19.6 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,589 (2021)
Projected traffic11,647 by 2041
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 LA7281 over Gaston Coulee built?

It was built in 1982, making it 43 years old in 2025.

What condition is LA7281 over Gaston 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 November 2024.

How much traffic does LA7281 over Gaston Coulee carry?

About 10,589 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is LA7281 over Gaston Coulee?

The structure is 41 ft (12.5 m) long with a longest span of 18 ft (5.5 m) and a deck 64 ft wide.

Who owns LA7281 over Gaston Coulee?

It is owned by the State Highway Agency.