US Bridges

LA0155 over Drain

Fair

Red River Parish, Louisiana · 6.61 MI East of US 71 · Structure no. 044100910106611

Built
1948
77 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
31 ft
4 main spans
Daily traffic
1,130
2021 count
Owner
State
State Highway Agency

About this bridge

LA0155 over Drain is a concrete culvert carrying LA0155 over Drain in Red River Parish, Louisiana. It was built in 1948, so it is 77 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 1,130 vehicles a day, roughly 19% of them trucks, projected to reach 1,243 by 2041. The structure is 31 ft (9.4 m) long and 34 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesLA0155
CrossesDrain
Location6.61 MI East of US 71
RouteState Highway 155
Coordinates32.07599, -93.2405
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadH 15
Structure length31 ft (9.4 m)
Longest span5 ft (1.5 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,130 (2021)
Projected traffic1,243 by 2041
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 LA0155 over Drain built?

It was built in 1948, making it 77 years old in 2025.

What condition is LA0155 over Drain 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 June 2024.

How much traffic does LA0155 over Drain carry?

About 1,130 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is LA0155 over Drain?

The structure is 31 ft (9.4 m) long with a longest span of 5 ft (1.5 m) and a deck 34 ft wide.

Who owns LA0155 over Drain?

It is owned by the State Highway Agency.