US Bridges

LA0001 over Bayou Lacombe

Good

Avoyelles Parish, Louisiana · 6.43 Miles North of LA 11 · Structure no. 080500523006431

Built
1972
53 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
35 ft
3 main spans
Daily traffic
6,294
2021 count
Owner
State
State Highway Agency

About this bridge

LA0001 over Bayou Lacombe is a concrete culvert carrying LA0001 over Bayou Lacombe in Avoyelles Parish, Louisiana. It was built in 1972, so it is 53 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 6,294 vehicles a day, roughly 4% of them trucks, projected to reach 6,923 by 2041. The structure is 35 ft (10.7 m) long and 125 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLA0001
CrossesBayou Lacombe
Location6.43 Miles North of LA 11
RouteState Highway 1
Coordinates31.06133, -92.0393
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span10 ft (3 m)
Deck width125 ft (38.1 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,294 (2021)
Projected traffic6,923 by 2041
Trucks4%
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 LA0001 over Bayou Lacombe built?

It was built in 1972, making it 53 years old in 2025.

What condition is LA0001 over Bayou Lacombe 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 January 2024.

How much traffic does LA0001 over Bayou Lacombe carry?

About 6,294 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is LA0001 over Bayou Lacombe?

The structure is 35 ft (10.7 m) long with a longest span of 10 ft (3 m) and a deck 125 ft wide.

Who owns LA0001 over Bayou Lacombe?

It is owned by the State Highway Agency.