US Bridges

LA0454 over Wiggins Bayou

Fair

Rapides Parish, Louisiana · 2.33 Mi. South of LA 107 · Structure no. 084003700205521

Built
1947
78 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Concrete
Length
100 ft
5 main spans
Daily traffic
226
2021 count
Owner
State
State Highway Agency

About this bridge

LA0454 over Wiggins Bayou is a concrete tee beam carrying LA0454 over Wiggins Bayou in Rapides Parish, Louisiana. It was built in 1947, so it is 78 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 226 vehicles a day, roughly 14% of them trucks, projected to reach 248 by 2041. The structure is 100 ft (30.5 m) long and 25 ft wide.

CarriesLA0454
CrossesWiggins Bayou
Location2.33 Mi. South of LA 107
RouteState Highway 454
Coordinates31.23193, -92.2669
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating58 US tons
Inventory rating34 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length100 ft (30.5 m)
Longest span20 ft (6.1 m)
Deck width25 ft (7.7 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic226 (2021)
Projected traffic248 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 LA0454 over Wiggins Bayou built?

It was built in 1947, making it 78 years old in 2025.

What condition is LA0454 over Wiggins 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 June 2024.

How much traffic does LA0454 over Wiggins Bayou carry?

About 226 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is LA0454 over Wiggins Bayou?

The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 25 ft wide.

Who owns LA0454 over Wiggins Bayou?

It is owned by the State Highway Agency.