US Bridges

LA0139 over I.P. Drainage Canal

Fair

Morehouse Parish, Louisiana · 5.9 MI North of LA 554 · Structure no. 053400380207981

Built
1973
52 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete
Length
76 ft
3 main spans
Daily traffic
9,490
2021 count
Owner
State
State Highway Agency

About this bridge

LA0139 over I.P. Drainage Canal is a concrete slab carrying LA0139 over I.P. Drainage Canal in Morehouse Parish, Louisiana. It was built in 1973, so it is 52 years old, older 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 9,490 vehicles a day, roughly 9% of them trucks, projected to reach 10,439 by 2041. The structure is 76 ft (23.2 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLA0139
CrossesI.P. Drainage Canal
Location5.9 MI North of LA 554
RouteState Highway 139
Coordinates32.7678, -91.9138
Functional classUrban Other Principal Arterial

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 alignment7: Better than present minimum criteria
Operating rating75.9 US tons
Inventory rating46 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span25 ft (7.6 m)
Deck width64 ft (19.4 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,490 (2021)
Projected traffic10,439 by 2041
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 LA0139 over I.P. Drainage Canal built?

It was built in 1973, making it 52 years old in 2025.

What condition is LA0139 over I.P. Drainage Canal 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 November 2024.

How much traffic does LA0139 over I.P. Drainage Canal carry?

About 9,490 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is LA0139 over I.P. Drainage Canal?

The structure is 76 ft (23.2 m) long with a longest span of 25 ft (7.6 m) and a deck 64 ft wide.

Who owns LA0139 over I.P. Drainage Canal?

It is owned by the State Highway Agency.