US Bridges

US0080 over Steep Bayou

Fair

Richland Parish, Louisiana · .5 MI East of LA 595 · Structure no. 054200020204421

Built
1953
72 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete
Length
62 ft
2 main spans
Daily traffic
2,747
2021 count
Owner
State
State Highway Agency

About this bridge

US0080 over Steep Bayou is a concrete tee beam carrying US0080 over Steep Bayou in Richland Parish, Louisiana. It was built in 1953, so it is 72 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 2,747 vehicles a day, roughly 15% of them trucks, projected to reach 3,021 by 2041. The structure is 62 ft (18.9 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS0080
CrossesSteep Bayou
Location.5 MI East of LA 595
RouteU.S. Route 80
Coordinates32.48481, -91.8497
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 rating66 US tons
Inventory rating40 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length62 ft (18.9 m)
Longest span31 ft (9.4 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,747 (2021)
Projected traffic3,021 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 1953, making it 72 years old in 2025.

What condition is US0080 over Steep 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 August 2023.

How much traffic does US0080 over Steep Bayou carry?

About 2,747 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is US0080 over Steep Bayou?

The structure is 62 ft (18.9 m) long with a longest span of 31 ft (9.4 m) and a deck 33 ft wide.

Who owns US0080 over Steep Bayou?

It is owned by the State Highway Agency.