US Bridges

LA3015 over Bushneck Bayou

FairPosted for load

De Soto Parish, Louisiana · 1.0 MI West of LA 5 · Structure no. 041602980102211

Built
1979
46 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
114 ft
6 main spans
Daily traffic
462
2021 count
Owner
State
State Highway Agency

About this bridge

LA3015 over Bushneck Bayou is a concrete slab carrying LA3015 over Bushneck Bayou in De Soto Parish, Louisiana. It was built in 1979, so it is 46 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 462 vehicles a day, roughly 25% of them trucks, projected to reach 508 by 2041. The structure is 114 ft (34.7 m) long and 31 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesLA3015
CrossesBushneck Bayou
Location1.0 MI West of LA 5
RouteState Highway 3015
Coordinates32.10238, -93.968
Functional classRural Minor 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.
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating25 US tons
Inventory rating17.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadHS 20
Structure length114 ft (34.7 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic462 (2021)
Projected traffic508 by 2041
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$556,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA3015 over Bushneck Bayou built?

It was built in 1979, making it 46 years old in 2025.

What condition is LA3015 over Bushneck Bayou 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 2023.

How much traffic does LA3015 over Bushneck Bayou carry?

About 462 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is LA3015 over Bushneck Bayou?

The structure is 114 ft (34.7 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns LA3015 over Bushneck Bayou?

It is owned by the State Highway Agency.