US Bridges

LA0001 over Coulee Des Grue

Fair

Avoyelles Parish, Louisiana · 0.6 Mile South of LA 452 · Structure no. 080500523010031

Built
1931
94 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
36 ft
3 main spans
Daily traffic
18,571
2021 count
Owner
State
State Highway Agency

About this bridge

LA0001 over Coulee Des Grue is a concrete culvert carrying LA0001 over Coulee Des Grue in Avoyelles Parish, Louisiana. It was built in 1931, so it is 94 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 18,571 vehicles a day, roughly 4% of them trucks, projected to reach 20,428 by 2041. The structure is 36 ft (11 m) long and 135 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLA0001
CrossesCoulee Des Grue
Location0.6 Mile South of LA 452
RouteState Highway 1
CountyAvoyelles Parish
StateLouisiana
Coordinates31.10927, -92.0637
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length36 ft (11 m)
Longest span8 ft (2.4 m)
Deck width135 ft (41.1 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,571 (2021)
Projected traffic20,428 by 2041
Trucks4%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Coulee Des Grue built?

It was built in 1931, making it 94 years old in 2025.

What condition is LA0001 over Coulee Des Grue 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 January 2024.

How much traffic does LA0001 over Coulee Des Grue carry?

About 18,571 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is LA0001 over Coulee Des Grue?

The structure is 36 ft (11 m) long with a longest span of 8 ft (2.4 m) and a deck 135 ft wide.

Who owns LA0001 over Coulee Des Grue?

It is owned by the State Highway Agency.