US Bridges

LA0004 over Drain

Good

Bienville Parish, Louisiana · 0.2 MI E of LA 501 · Structure no. 040700000040271

Built
2010
15 years old
Condition
Good
inspected March 2024
Type
Slab
Concrete
Length
60 ft
3 main spans
Daily traffic
1,445
2021 count
Owner
State
State Highway Agency

About this bridge

LA0004 over Drain is a concrete slab carrying LA0004 over Drain in Bienville Parish, Louisiana. It was built in 2010, so it is 15 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,445 vehicles a day, roughly 19% of them trucks, projected to reach 1,589 by 2041. The structure is 60 ft (18.3 m) long and 43 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesLA0004
CrossesDrain
Location0.2 MI E of LA 501
RouteState Highway 4
Coordinates32.24084, -92.8811
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50 US tons
Inventory rating38.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span20 ft (6.1 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,445 (2021)
Projected traffic1,589 by 2041
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0004 over Drain built?

It was built in 2010, making it 15 years old in 2025.

What condition is LA0004 over Drain in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does LA0004 over Drain carry?

About 1,445 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is LA0004 over Drain?

The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns LA0004 over Drain?

It is owned by the State Highway Agency.