US Bridges

Avant RD over Steep Bayou

Good

Ouachita Parish, Louisiana · 0.5 MI N of US 80 E · Structure no. 053732314921291

Built
1996
29 years old
Condition
Good
inspected March 2024
Type
Slab
Concrete
Length
60 ft
3 main spans
Daily traffic
125
1979 count
Owner
County
County Highway Agency

About this bridge

Avant RD over Steep Bayou is a concrete slab carrying Avant RD over Steep Bayou in Ouachita Parish, Louisiana. It was built in 1996, so it is 29 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 125 vehicles a day, projected to reach 137 by 1999. The structure is 60 ft (18.3 m) long and 31 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesAvant RD
CrossesSteep Bayou
Location0.5 MI N of US 80 E
RouteCounty Highway 0
Coordinates32.52456, -92.21494
Functional classRural 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating37.1 US tons
Inventory rating28.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span20 ft (6.1 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (1979)
Projected traffic137 by 1999
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Avant RD over Steep Bayou built?

It was built in 1996, making it 29 years old in 2025.

What condition is Avant RD 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 March 2024.

How much traffic does Avant RD over Steep Bayou carry?

About 125 vehicles per day (1979 count).

How long is Avant RD over Steep Bayou?

The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 31 ft wide.

Who owns Avant RD over Steep Bayou?

It is owned by the County Highway Agency.