US Bridges

LA0107 over Wiggins Bayou

Poor

Avoyelles Parish, Louisiana · 4.31 Mi. North of LA 115 · Structure no. 080501420204311

Built
1953
72 years old
Condition
Poor
inspected January 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
59 ft
3 main spans
Daily traffic
3,354
2021 count
Owner
State
State Highway Agency

About this bridge

LA0107 over Wiggins Bayou is a wood or timber stringer/multi-beam or girder carrying LA0107 over Wiggins Bayou in Avoyelles Parish, Louisiana. It was built in 1953, so it is 72 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 4 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.

It carries about 3,354 vehicles a day, roughly 14% of them trucks, projected to reach 3,689 by 2041. The structure is 59 ft (18 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesLA0107
CrossesWiggins Bayou
Location4.31 Mi. North of LA 115
RouteState Highway 107
Coordinates31.25272, -92.2239
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31.2 US tons
Inventory rating22.5 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadH 10
Structure length59 ft (18 m)
Longest span19 ft (5.8 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,354 (2021)
Projected traffic3,689 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$319,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0107 over Wiggins Bayou built?

It was built in 1953, making it 72 years old in 2025.

What condition is LA0107 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 January 2024.

How much traffic does LA0107 over Wiggins Bayou carry?

About 3,354 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is LA0107 over Wiggins Bayou?

The structure is 59 ft (18 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns LA0107 over Wiggins Bayou?

It is owned by the State Highway Agency.