US Bridges

LA0172 over Bushneck Bayou

Fair

De Soto Parish, Louisiana · 2.6 MI West of LA 169 · Structure no. 041600980105511

Built
1958
67 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
100 ft
5 main spans
Daily traffic
1,316
2021 count
Owner
State
State Highway Agency

About this bridge

LA0172 over Bushneck Bayou is a concrete slab carrying LA0172 over Bushneck Bayou in De Soto Parish, Louisiana. It was built in 1958, so it is 67 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 1,316 vehicles a day, roughly 25% of them trucks, projected to reach 1,447 by 2041. The structure is 100 ft (30.5 m) long and 30 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesLA0172
CrossesBushneck Bayou
Location2.6 MI West of LA 169
RouteState Highway 172
CountyDe Soto Parish
StateLouisiana
Coordinates32.17672, -93.9535
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating26 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length100 ft (30.5 m)
Longest span20 ft (6.1 m)
Deck width30 ft (9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,316 (2021)
Projected traffic1,447 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0172 over Bushneck Bayou built?

It was built in 1958, making it 67 years old in 2025.

What condition is LA0172 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 2024.

How much traffic does LA0172 over Bushneck Bayou carry?

About 1,316 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is LA0172 over Bushneck Bayou?

The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 30 ft wide.

Who owns LA0172 over Bushneck Bayou?

It is owned by the State Highway Agency.