US Bridges

LA0108 over Bayou Dinde

Fair

Calcasieu Parish, Louisiana · 2.5 Mi. NE of LA 1133 · Structure no. 071008101904251

Built
1977
48 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
700 ft
14 main spans
Daily traffic
22,287
2021 count
Owner
State
State Highway Agency

About this bridge

LA0108 over Bayou Dinde is a prestressed concrete stringer/multi-beam or girder carrying LA0108 over Bayou Dinde in Calcasieu 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 22,287 vehicles a day, roughly 10% of them trucks, projected to reach 24,515 by 2041. The structure is 700 ft (213.4 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLA0108
CrossesBayou Dinde
Location2.5 Mi. NE of LA 1133
RouteState Highway 108
CountyCalcasieu Parish
StateLouisiana
Coordinates30.20153, -93.32536
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating39 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans14
Design loadHS 20
Structure length700 ft (213.4 m)
Longest span50 ft (15.2 m)
Deck width40 ft (12.1 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,287 (2021)
Projected traffic24,515 by 2041
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0108 over Bayou Dinde built?

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

What condition is LA0108 over Bayou Dinde 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 2023.

How much traffic does LA0108 over Bayou Dinde carry?

About 22,287 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is LA0108 over Bayou Dinde?

The structure is 700 ft (213.4 m) long with a longest span of 50 ft (15.2 m) and a deck 40 ft wide.

Who owns LA0108 over Bayou Dinde?

It is owned by the State Highway Agency.