US Bridges

Grabault RD over Bayou Galion

Fair

Morehouse Parish, Louisiana · .5 Mi. E. La. Hwy. 1 · Structure no. 053432443914651

Built
1983
42 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
76 ft
4 main spans
Daily traffic
290
1974 count
Owner
County
County Highway Agency

About this bridge

Grabault RD over Bayou Galion is a concrete slab carrying Grabault RD over Bayou Galion in Morehouse Parish, Louisiana. It was built in 1983, so it is 42 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 290 vehicles a day, projected to reach 319 by 1994. The structure is 76 ft (23.2 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesGrabault RD
CrossesBayou Galion
Location.5 Mi. E. La. Hwy. 1
RouteCounty Highway 0
Coordinates32.73744, -91.77395
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.4 US tons
Inventory rating47.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span19 ft (5.8 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deck20 ft (6.1 m)

Traffic and service

Average daily traffic290 (1974)
Projected traffic319 by 1994
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 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 Grabault RD over Bayou Galion built?

It was built in 1983, making it 42 years old in 2025.

What condition is Grabault RD over Bayou Galion in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does Grabault RD over Bayou Galion carry?

About 290 vehicles per day (1974 count).

How long is Grabault RD over Bayou Galion?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 35 ft wide.

Who owns Grabault RD over Bayou Galion?

It is owned by the County Highway Agency.