US Bridges

LA0001 over Drain

Fair

Caddo Parish, Louisiana · 1.5 MI North of LA 175 · Structure no. 040900530811781

Built
1956
69 years old, rebuilt 1971
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
27 ft
3 main spans
Daily traffic
3,664
2021 count
Owner
State
State Highway Agency

About this bridge

LA0001 over Drain is a concrete culvert carrying LA0001 over Drain in Caddo Parish, Louisiana. It was built in 1956 and reconstructed in 1971, so it is 69 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 3,664 vehicles a day, roughly 10% of them trucks, projected to reach 4,030 by 2041. The structure is 27 ft (8.2 m) long and 165 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLA0001
CrossesDrain
Location1.5 MI North of LA 175
RouteState Highway 1
Coordinates32.35682, -93.63562
Functional classUrban Minor 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span8 ft (2.4 m)
Deck width165 ft (50.3 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,664 (2021)
Projected traffic4,030 by 2041
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 LA0001 over Drain built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1971.

What condition is LA0001 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 February 2024.

How much traffic does LA0001 over Drain carry?

About 3,664 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is LA0001 over Drain?

The structure is 27 ft (8.2 m) long with a longest span of 8 ft (2.4 m) and a deck 165 ft wide.

Who owns LA0001 over Drain?

It is owned by the State Highway Agency.