US Bridges

Grabault Rd. over Bayou Coulee

Good

Morehouse Parish, Louisiana · 0.7 Miles East of JCT LA · Structure no. 053400000050204

Built
2012
13 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
80 ft
2 main spans
Daily traffic
2,100
2016 count
Owner
County
County Highway Agency

About this bridge

Grabault Rd. over Bayou Coulee is a prestressed concrete continuous stringer/multi-beam or girder carrying Grabault Rd. over Bayou Coulee in Morehouse Parish, Louisiana. It was built in 2012, so it is 13 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 2,100 vehicles a day, roughly 19% of them trucks, projected to reach 2,310 by 2036. The structure is 80 ft (24.4 m) long and 43 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesGrabault Rd.
CrossesBayou Coulee
Location0.7 Miles East of JCT LA
RouteState Highway 3051
Coordinates32.74469, -91.8081
Functional classRural Minor Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
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 alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating52.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span40 ft (12.2 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2016)
Projected traffic2,310 by 2036
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Grabault Rd. over Bayou Coulee built?

It was built in 2012, making it 13 years old in 2025.

What condition is Grabault Rd. over Bayou 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 December 2024.

How much traffic does Grabault Rd. over Bayou Coulee carry?

About 2,100 vehicles per day (2016 count), of which roughly 19% are trucks.

How long is Grabault Rd. over Bayou Coulee?

The structure is 80 ft (24.4 m) long with a longest span of 40 ft (12.2 m) and a deck 43 ft wide.

Who owns Grabault Rd. over Bayou Coulee?

It is owned by the County Highway Agency.