US Bridges

LA1101 over Bayou Wikoff

Fair

Acadia Parish, Louisiana · 1.7 MI NW of LA 98 · Structure no. 030108013201711

Built
1984
41 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
180 ft
9 main spans
Daily traffic
180
2019 count
Owner
State
State Highway Agency

About this bridge

LA1101 over Bayou Wikoff is a concrete slab carrying LA1101 over Bayou Wikoff in Acadia Parish, Louisiana. It was built in 1984, so it is 41 years old, younger 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 180 vehicles a day, roughly 15% of them trucks, projected to reach 198 by 2039. The structure is 180 ft (54.9 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesLA1101
CrossesBayou Wikoff
Location1.7 MI NW of LA 98
RouteState Highway 1101
CountyAcadia Parish
StateLouisiana
Coordinates30.32123, -92.2351
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length180 ft (54.9 m)
Longest span20 ft (6.1 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2019)
Projected traffic198 by 2039
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 LA1101 over Bayou Wikoff built?

It was built in 1984, making it 41 years old in 2025.

What condition is LA1101 over Bayou Wikoff 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 2023.

How much traffic does LA1101 over Bayou Wikoff carry?

About 180 vehicles per day (2019 count), of which roughly 15% are trucks.

How long is LA1101 over Bayou Wikoff?

The structure is 180 ft (54.9 m) long with a longest span of 20 ft (6.1 m) and a deck 31 ft wide.

Who owns LA1101 over Bayou Wikoff?

It is owned by the State Highway Agency.