US Bridges

LA0001 over Drain

Fair

Caddo Parish, Louisiana · .5 MI North of LA 511 · Structure no. 040900530903791

Built
1956
69 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
24,739
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, 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 24,739 vehicles a day, roughly 8% of them trucks, projected to reach 27,212 by 2041. The structure is 23 ft (7 m) long and 110 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesLA0001
CrossesDrain
Location.5 MI North of LA 511
RouteState Highway 1
Coordinates32.44969, -93.7218
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width110 ft (33.5 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,739 (2021)
Projected traffic27,212 by 2041
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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.

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 January 2024.

How much traffic does LA0001 over Drain carry?

About 24,739 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is LA0001 over Drain?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 110 ft wide.

Who owns LA0001 over Drain?

It is owned by the State Highway Agency.