US Bridges

LA0107 over Bayou Des Glaise

Fair

Avoyelles Parish, Louisiana · 0.9 Mile North of LA 29 · Structure no. 080501470500901

Built
1977
48 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
317 ft
7 main spans
Daily traffic
6,887
2021 count
Owner
State
State Highway Agency

About this bridge

LA0107 over Bayou Des Glaise is a prestressed concrete stringer/multi-beam or girder carrying LA0107 over Bayou Des Glaise in Avoyelles Parish, Louisiana. It was built in 1977, so it is 48 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 6,887 vehicles a day, roughly 15% of them trucks, projected to reach 7,575 by 2041. The structure is 317 ft (96.6 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLA0107
CrossesBayou Des Glaise
Location0.9 Mile North of LA 29
RouteState Highway 107
CountyAvoyelles Parish
StateLouisiana
Coordinates31.00751, -92.0511
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 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
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating83 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length317 ft (96.6 m)
Longest span45 ft (13.7 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,887 (2021)
Projected traffic7,575 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 LA0107 over Bayou Des Glaise built?

It was built in 1977, making it 48 years old in 2025.

What condition is LA0107 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 LA0107 over Bayou Des Glaise carry?

About 6,887 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is LA0107 over Bayou Des Glaise?

The structure is 317 ft (96.6 m) long with a longest span of 45 ft (13.7 m) and a deck 43 ft wide.

Who owns LA0107 over Bayou Des Glaise?

It is owned by the State Highway Agency.