US Bridges

LA0001 over Drain

Fair

Caddo Parish, Louisiana · 1.50M NW LA1/US71 Intr · Structure no. 040900450101501

Built
1993
32 years old
Condition
Fair
inspected January 2025
Type
Culvert
Steel
Length
23 ft
5 main spans
Daily traffic
25,434
2021 count
Owner
State
State Highway Agency

About this bridge

LA0001 over Drain is a steel culvert carrying LA0001 over Drain in Caddo Parish, Louisiana. It was built in 1993, so it is 32 years old, younger 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 25,434 vehicles a day, roughly 8% of them trucks, projected to reach 27,977 by 2041. The structure is 23 ft (7 m) long and 98 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLA0001
CrossesDrain
Location1.50M NW LA1/US71 Intr
RouteState Highway 1
Coordinates32.59035, -93.8198
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 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 inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating82.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans5
Design loadHS 20
Structure length23 ft (7 m)
Longest span3 ft (0.9 m)
Deck width98 ft (29.9 m)
Roadway width82 ft (25 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,434 (2021)
Projected traffic27,977 by 2041
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$343,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0001 over Drain built?

It was built in 1993, making it 32 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 2025.

How much traffic does LA0001 over Drain carry?

About 25,434 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 3 ft (0.9 m) and a deck 98 ft wide.

Who owns LA0001 over Drain?

It is owned by the State Highway Agency.