US Bridges

LA1126 over Chene Bayou

Good

Jefferson Davis Parish, Louisiana · 4.2 Mi. E. of LA 382 · Structure no. 072700000070236

Built
2015
10 years old
Condition
Good
inspected December 2023
Type
Slab
Concrete
Length
120 ft
6 main spans
Daily traffic
507
2021 count
Owner
State
State Highway Agency

About this bridge

LA1126 over Chene Bayou is a concrete slab carrying LA1126 over Chene Bayou in Jefferson Davis Parish, Louisiana. It was built in 2015, so it is 10 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 507 vehicles a day, roughly 17% of them trucks, projected to reach 557 by 2041. The structure is 120 ft (36.6 m) long and 34 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesLA1126
CrossesChene Bayou
Location4.2 Mi. E. of LA 382
RouteState Highway 1126
Coordinates30.1852, -92.70854
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.5 US tons
Inventory rating67.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span20 ft (6.1 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic507 (2021)
Projected traffic557 by 2041
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 LA1126 over Chene Bayou built?

It was built in 2015, making it 10 years old in 2025.

What condition is LA1126 over Chene Bayou in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does LA1126 over Chene Bayou carry?

About 507 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is LA1126 over Chene Bayou?

The structure is 120 ft (36.6 m) long with a longest span of 20 ft (6.1 m) and a deck 34 ft wide.

Who owns LA1126 over Chene Bayou?

It is owned by the State Highway Agency.