US Bridges

US0090 over Chene Bayou

Fair

Jefferson Davis Parish, Louisiana · 2.4 MI East of LA 395 · Structure no. 072700030706901

Built
1985
40 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
180 ft
9 main spans
Daily traffic
4,262
2021 count
Owner
State
State Highway Agency

About this bridge

US0090 over Chene Bayou is a concrete slab carrying US0090 over Chene Bayou in Jefferson Davis Parish, Louisiana. It was built in 1985, so it is 40 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 5 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 4,262 vehicles a day, roughly 18% of them trucks, projected to reach 4,688 by 2041. The structure is 180 ft (54.9 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS0090
CrossesChene Bayou
Location2.4 MI East of LA 395
RouteU.S. Route 90
Coordinates30.23133, -92.70659
Functional classRural Minor Arterial

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable 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 width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,262 (2021)
Projected traffic4,688 by 2041
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 US0090 over Chene Bayou built?

It was built in 1985, making it 40 years old in 2025.

What condition is US0090 over Chene Bayou 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 January 2024.

How much traffic does US0090 over Chene Bayou carry?

About 4,262 vehicles per day (2021 count), of which roughly 18% are trucks.

How long is US0090 over Chene Bayou?

The structure is 180 ft (54.9 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns US0090 over Chene Bayou?

It is owned by the State Highway Agency.