US Bridges

LA0001 over Drain

Fair

Caddo Parish, Louisiana · .3 MI North of LA 526 · Structure no. 040900530902621

Built
1968
57 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
160 ft
8 main spans
Daily traffic
16,955
2021 count
Owner
State
State Highway Agency

About this bridge

LA0001 over Drain is a concrete slab carrying LA0001 over Drain in Caddo Parish, Louisiana. It was built in 1968, so it is 57 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 16,955 vehicles a day, roughly 8% of them trucks, projected to reach 18,650 by 2041. The structure is 160 ft (48.8 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLA0001
CrossesDrain
Location.3 MI North of LA 526
RouteState Highway 1
Coordinates32.43485, -93.7135
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 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
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.1 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length160 ft (48.8 m)
Longest span20 ft (6.1 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,955 (2021)
Projected traffic18,650 by 2041
Trucks8%
Lanes on structure2
Traffic directionOne-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$741,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0001 over Drain built?

It was built in 1968, making it 57 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 16,955 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is LA0001 over Drain?

The structure is 160 ft (48.8 m) long with a longest span of 20 ft (6.1 m) and a deck 33 ft wide.

Who owns LA0001 over Drain?

It is owned by the State Highway Agency.