US Bridges

LA0134 over Coulee Ditch

Good

Morehouse Parish, Louisiana · 1.2 MI East of LA 139 · Structure no. 053401610203721

Built
1981
44 years old
Condition
Good
inspected December 2024
Type
Slab
Concrete
Length
120 ft
6 main spans
Daily traffic
1,183
2021 count
Owner
State
State Highway Agency

About this bridge

LA0134 over Coulee Ditch is a concrete slab carrying LA0134 over Coulee Ditch in Morehouse Parish, Louisiana. It was built in 1981, so it is 44 years old, older 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 1,183 vehicles a day, roughly 15% of them trucks, projected to reach 1,301 by 2041. The structure is 120 ft (36.6 m) long and 43 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesLA0134
CrossesCoulee Ditch
Location1.2 MI East of LA 139
RouteState Highway 134
Coordinates32.62621, -91.8584
Functional classRural Major 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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span20 ft (6.1 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,183 (2021)
Projected traffic1,301 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 LA0134 over Coulee Ditch built?

It was built in 1981, making it 44 years old in 2025.

What condition is LA0134 over Coulee Ditch 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 LA0134 over Coulee Ditch carry?

About 1,183 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is LA0134 over Coulee Ditch?

The structure is 120 ft (36.6 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns LA0134 over Coulee Ditch?

It is owned by the State Highway Agency.