US Bridges

LA0001 over Indian Bayou

Good

Rapides Parish, Louisiana · 2.69 M N of S Jct. LA 457 · Structure no. 084000520805101

Built
1932
93 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
62 ft
7 main spans
Daily traffic
7,855
2021 count
Owner
State
State Highway Agency

About this bridge

LA0001 over Indian Bayou is a concrete culvert carrying LA0001 over Indian Bayou in Rapides Parish, Louisiana. It was built in 1932, so it is 93 years old, older 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 7,855 vehicles a day, roughly 15% of them trucks, projected to reach 8,640 by 2041. The structure is 62 ft (18.9 m) long and 86 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLA0001
CrossesIndian Bayou
Location2.69 M N of S Jct. LA 457
RouteState Highway 1
Coordinates31.15229, -92.298
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans7
Design loadH 15
Structure length62 ft (18.9 m)
Longest span4 ft (1.2 m)
Deck width86 ft (26.2 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,855 (2021)
Projected traffic8,640 by 2041
Trucks15%
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 LA0001 over Indian Bayou built?

It was built in 1932, making it 93 years old in 2025.

What condition is LA0001 over Indian 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 June 2024.

How much traffic does LA0001 over Indian Bayou carry?

About 7,855 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is LA0001 over Indian Bayou?

The structure is 62 ft (18.9 m) long with a longest span of 4 ft (1.2 m) and a deck 86 ft wide.

Who owns LA0001 over Indian Bayou?

It is owned by the State Highway Agency.