US Bridges

US0080 over Steep Bayou

Good

Ouachita Parish, Louisiana · 2.4 MI E of LA 15 · Structure no. 053700000050248

Built
2017
8 years old
Condition
Good
inspected August 2024
Type
Slab
Concrete
Length
80 ft
4 main spans
Daily traffic
13,971
2021 count
Owner
State
State Highway Agency

About this bridge

US0080 over Steep Bayou is a concrete slab carrying US0080 over Steep Bayou in Ouachita Parish, Louisiana. It was built in 2017, so it is 8 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 13,971 vehicles a day, roughly 8% of them trucks, projected to reach 15,368 by 2041. The structure is 80 ft (24.4 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS0080
CrossesSteep Bayou
Location2.4 MI E of LA 15
RouteU.S. Route 80
Coordinates32.51338, -92.20454
Functional classUrban Minor Arterial

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 protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating66 US tons
Inventory rating40.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length80 ft (24.4 m)
Longest span20 ft (6.1 m)
Deck width43 ft (13 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,971 (2021)
Projected traffic15,368 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 US0080 over Steep Bayou built?

It was built in 2017, making it 8 years old in 2025.

What condition is US0080 over Steep 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 August 2024.

How much traffic does US0080 over Steep Bayou carry?

About 13,971 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is US0080 over Steep Bayou?

The structure is 80 ft (24.4 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns US0080 over Steep Bayou?

It is owned by the State Highway Agency.