US Bridges

LA0004 over Bills Creek

FairPosted for load

Caldwell Parish, Louisiana · 4.57 M W of LA 846 · Structure no. 581100680409161

Built
1971
54 years old
Condition
Fair
inspected February 2023
Type
Slab
Concrete
Length
95 ft
5 main spans
Daily traffic
311
2021 count
Owner
State
State Highway Agency

About this bridge

LA0004 over Bills Creek is a concrete slab carrying LA0004 over Bills Creek in Caldwell Parish, Louisiana. It was built in 1971, so it is 54 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 311 vehicles a day, roughly 21% of them trucks, projected to reach 342 by 2041. The structure is 95 ft (29 m) long and 31 ft wide. If it were closed, the detour would be 42.3 mi (68 km).

CarriesLA0004
CrossesBills Creek
Location4.57 M W of LA 846
RouteState Highway 4
Coordinates32.17853, -92.2022
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.8 US tons
Inventory rating20.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length95 ft (29 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 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
CrossesWaterway
Detour if closed42.3 mi (68 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 Bills Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is LA0004 over Bills Creek 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 February 2023.

How much traffic does LA0004 over Bills Creek carry?

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

How long is LA0004 over Bills Creek?

The structure is 95 ft (29 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns LA0004 over Bills Creek?

It is owned by the State Highway Agency.