US Bridges

LA0001 over Drain

Fair

Caddo Parish, Louisiana · 0.6 MI South of LA 175 · Structure no. 040900530809661

Built
1956
69 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
33 ft
5 main spans
Daily traffic
1,869
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 1,869 vehicles a day, roughly 19% of them trucks, projected to reach 2,055 by 2041. The structure is 33 ft (10.1 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLA0001
CrossesDrain
Location0.6 MI South of LA 175
RouteState Highway 1
Coordinates32.33549, -93.6109
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 protection6 SatisfactoryStructural elements show some minor deterioration.
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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.8 US tons
Inventory rating66 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span6 ft (1.8 m)
Deck width38 ft (11.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,869 (2021)
Projected traffic2,055 by 2041
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 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 February 2024.

How much traffic does LA0001 over Drain carry?

About 1,869 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is LA0001 over Drain?

The structure is 33 ft (10.1 m) long with a longest span of 6 ft (1.8 m) and a deck 38 ft wide.

Who owns LA0001 over Drain?

It is owned by the State Highway Agency.