US Bridges

LA0424 over Drain

Fair

Washington Parish, Louisiana · 1.2M North of Int LA 62 · Structure no. 625908591101201

Built
1993
32 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
39 ft
2 main spans
Daily traffic
1,873
2021 count
Owner
State
State Highway Agency

About this bridge

LA0424 over Drain is a concrete slab carrying LA0424 over Drain in Washington 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 1,873 vehicles a day, roughly 12% of them trucks, projected to reach 2,060 by 2041. The structure is 39 ft (11.9 m) long and 44 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesLA0424
CrossesDrain
Location1.2M North of Int LA 62
RouteState Highway 424
Coordinates30.93444, -90.0162
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating42 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span19 ft (5.8 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,873 (2021)
Projected traffic2,060 by 2041
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 LA0424 over Drain built?

It was built in 1993, making it 32 years old in 2025.

What condition is LA0424 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 May 2024.

How much traffic does LA0424 over Drain carry?

About 1,873 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is LA0424 over Drain?

The structure is 39 ft (11.9 m) long with a longest span of 19 ft (5.8 m) and a deck 44 ft wide.

Who owns LA0424 over Drain?

It is owned by the State Highway Agency.