US Bridges

LA0004 over Lost Creek Relief

Fair

Caldwell Parish, Louisiana · 1.47 MI West of LA 846 · Structure no. 581100680411151

Built
1976
49 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete
Length
57 ft
3 main spans
Daily traffic
311
2021 count
Owner
State
State Highway Agency

About this bridge

LA0004 over Lost Creek Relief is a concrete slab carrying LA0004 over Lost Creek Relief in Caldwell Parish, Louisiana. It was built in 1976, so it is 49 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 311 vehicles a day, roughly 21% of them trucks, projected to reach 342 by 2041. The structure is 57 ft (17.4 m) long and 32 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesLA0004
CrossesLost Creek Relief
Location1.47 MI West of LA 846
RouteState Highway 4
Coordinates32.15409, -92.1913
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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic311 (2021)
Projected traffic342 by 2041
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed19.9 mi (32 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 LA0004 over Lost Creek Relief built?

It was built in 1976, making it 49 years old in 2025.

What condition is LA0004 over Lost Creek Relief 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 March 2024.

How much traffic does LA0004 over Lost Creek Relief carry?

About 311 vehicles per day (2021 count), of which roughly 21% are trucks.

How long is LA0004 over Lost Creek Relief?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 32 ft wide.

Who owns LA0004 over Lost Creek Relief?

It is owned by the State Highway Agency.