US Bridges

LA0017 over Tiger Bayou

Fair

West Carroll Parish, Louisiana · 5.0 MI North of LA 586 · Structure no. 056200510809481

Built
1952
73 years old
Condition
Fair
inspected January 2023
Type
Culvert
Concrete
Length
30 ft
3 main spans
Daily traffic
2,161
2021 count
Owner
State
State Highway Agency

About this bridge

LA0017 over Tiger Bayou is a concrete culvert carrying LA0017 over Tiger Bayou in West Carroll Parish, Louisiana. It was built in 1952, so it is 73 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 2,161 vehicles a day, roughly 16% of them trucks, projected to reach 2,377 by 2041. The structure is 30 ft (9.1 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLA0017
CrossesTiger Bayou
Location5.0 MI North of LA 586
RouteState Highway 17
Coordinates32.98354, -91.3215
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating33.6 US tons
Inventory rating25.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length30 ft (9.1 m)
Longest span9 ft (2.7 m)
Deck width32 ft (9.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,161 (2021)
Projected traffic2,377 by 2041
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$198,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0017 over Tiger Bayou built?

It was built in 1952, making it 73 years old in 2025.

What condition is LA0017 over Tiger 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 January 2023.

How much traffic does LA0017 over Tiger Bayou carry?

About 2,161 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is LA0017 over Tiger Bayou?

The structure is 30 ft (9.1 m) long with a longest span of 9 ft (2.7 m) and a deck 32 ft wide.

Who owns LA0017 over Tiger Bayou?

It is owned by the State Highway Agency.