US Bridges

LA0034 over Longs Creek

Fair

Ouachita Parish, Louisiana · 6.7 MI East of LA 546 · Structure no. 053700670809651

Built
1976
49 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
80 ft
4 main spans
Daily traffic
1,693
2021 count
Owner
State
State Highway Agency

About this bridge

LA0034 over Longs Creek is a concrete slab carrying LA0034 over Longs Creek in Ouachita 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 1,693 vehicles a day, roughly 15% of them trucks, projected to reach 1,862 by 2041. The structure is 80 ft (24.4 m) long and 47 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesLA0034
CrossesLongs Creek
Location6.7 MI East of LA 546
RouteState Highway 34
Coordinates32.41171, -92.2586
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating48 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span20 ft (6.1 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,693 (2021)
Projected traffic1,862 by 2041
Trucks15%
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 LA0034 over Longs Creek built?

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

What condition is LA0034 over Longs 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 August 2024.

How much traffic does LA0034 over Longs Creek carry?

About 1,693 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is LA0034 over Longs Creek?

The structure is 80 ft (24.4 m) long with a longest span of 20 ft (6.1 m) and a deck 47 ft wide.

Who owns LA0034 over Longs Creek?

It is owned by the State Highway Agency.