US Bridges

LA0104 over Bayou Nezpique

Fair

Evangeline Parish, Louisiana · 3.3 MI West of LA 3277 · Structure no. 032002000200001

Built
1971
54 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete
Length
460 ft
15 main spans
Daily traffic
1,157
2021 count
Owner
State
State Highway Agency

About this bridge

LA0104 over Bayou Nezpique is a concrete slab carrying LA0104 over Bayou Nezpique in Evangeline Parish, Louisiana. It was built in 1971, so it is 54 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 1,157 vehicles a day, roughly 13% of them trucks, projected to reach 1,272 by 2041. The structure is 460 ft (140.2 m) long and 30 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesLA0104
CrossesBayou Nezpique
Location3.3 MI West of LA 3277
RouteState Highway 104
Coordinates30.58321, -92.5985
Functional classRural Major 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 protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans15
Design loadHS 20
Structure length460 ft (140.2 m)
Longest span19 ft (5.8 m)
Deck width30 ft (9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,157 (2021)
Projected traffic1,272 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 LA0104 over Bayou Nezpique built?

It was built in 1971, making it 54 years old in 2025.

What condition is LA0104 over Bayou Nezpique 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 2023.

How much traffic does LA0104 over Bayou Nezpique carry?

About 1,157 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is LA0104 over Bayou Nezpique?

The structure is 460 ft (140.2 m) long with a longest span of 19 ft (5.8 m) and a deck 30 ft wide.

Who owns LA0104 over Bayou Nezpique?

It is owned by the State Highway Agency.