US Bridges

Beau Bassin Rd. over Gaston Coulee

Good

Lafayette Parish, Louisiana · 2.6 MI N of LA 98 · Structure no. 032800000200008

Built
2011
14 years old
Condition
Good
inspected January 2024
Type
Slab
Concrete
Length
75 ft
3 main spans
Daily traffic
145
2020 count
Owner
County
County Highway Agency

About this bridge

Beau Bassin Rd. over Gaston Coulee is a concrete slab carrying Beau Bassin Rd. over Gaston Coulee in Lafayette 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 145 vehicles a day, projected to reach 159 by 2040. The structure is 75 ft (22.9 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesBeau Bassin Rd.
CrossesGaston Coulee
Location2.6 MI N of LA 98
RouteCounty Highway 0
CountyLafayette Parish
StateLouisiana
Coordinates30.32564, -91.99965
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.1 US tons
Inventory rating40.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length75 ft (22.9 m)
Longest span25 ft (7.6 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic145 (2020)
Projected traffic159 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Beau Bassin Rd. over Gaston Coulee built?

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

What condition is Beau Bassin Rd. 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 January 2024.

How much traffic does Beau Bassin Rd. over Gaston Coulee carry?

About 145 vehicles per day (2020 count).

How long is Beau Bassin Rd. over Gaston Coulee?

The structure is 75 ft (22.9 m) long with a longest span of 25 ft (7.6 m) and a deck 34 ft wide.

Who owns Beau Bassin Rd. over Gaston Coulee?

It is owned by the County Highway Agency.