US Bridges

LA0001 over Bayou Des Glaise

Fair

Avoyelles Parish, Louisiana · 2.88 Miles North of LA 11 · Structure no. 080500523002881

Built
1965
60 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
183 ft
9 main spans
Daily traffic
4,686
2021 count
Owner
State
State Highway Agency

About this bridge

LA0001 over Bayou Des Glaise is a concrete slab carrying LA0001 over Bayou Des Glaise in Avoyelles Parish, Louisiana. It was built in 1965, so it is 60 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 5 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 4,686 vehicles a day, roughly 15% of them trucks, projected to reach 5,154 by 2041. The structure is 183 ft (55.8 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLA0001
CrossesBayou Des Glaise
Location2.88 Miles North of LA 11
RouteState Highway 1
CountyAvoyelles Parish
StateLouisiana
Coordinates31.04645, -91.9866
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating48.6 US tons
Inventory rating37.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length183 ft (55.8 m)
Longest span20 ft (6.1 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,686 (2021)
Projected traffic5,154 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$829,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0001 over Bayou Des Glaise built?

It was built in 1965, making it 60 years old in 2025.

What condition is LA0001 over Bayou Des Glaise 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 Bayou Des Glaise carry?

About 4,686 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is LA0001 over Bayou Des Glaise?

The structure is 183 ft (55.8 m) long with a longest span of 20 ft (6.1 m) and a deck 33 ft wide.

Who owns LA0001 over Bayou Des Glaise?

It is owned by the State Highway Agency.