US Bridges

LA0454 over Wiggins Bayou

PoorClosed to traffic

Avoyelles Parish, Louisiana · 4.12 Miles SW of LA 115 · Structure no. 080503700104121

Built
1958
67 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
182 ft
3 main spans
Daily traffic
226
2021 count
Owner
State
State Highway Agency

About this bridge

LA0454 over Wiggins Bayou is a steel stringer/multi-beam or girder carrying LA0454 over Wiggins Bayou in Avoyelles 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 poor condition with a lowest component rating of 0 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 226 vehicles a day, roughly 14% of them trucks, projected to reach 248 by 2041. The structure is 182 ft (55.5 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLA0454
CrossesWiggins Bayou
Location4.12 Miles SW of LA 115
RouteState Highway 454
CountyAvoyelles Parish
StateLouisiana
Coordinates31.17178, -92.1956
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure0 FailedOut of service and beyond corrective action.
Channel and channel protection0 FailedOut of service and beyond corrective action.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusClosed to all traffic
ScourScour critical; bridge has failed and is closed
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating46 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length182 ft (55.5 m)
Longest span60 ft (18.3 m)
Deck width29 ft (8.9 m)
Roadway width24 ft (7.3 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 closed3.7 mi (6 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 LA0454 over Wiggins Bayou built?

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

What condition is LA0454 over Wiggins Bayou in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. 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 182 ft (55.5 m) long with a longest span of 60 ft (18.3 m) and a deck 29 ft wide.

Who owns LA0454 over Wiggins Bayou?

It is owned by the State Highway Agency.