US Bridges

LA0108 over I-10

Fair

Calcasieu Parish, Louisiana · 3.0 Miles East of JCT LA · Structure no. 071008101905251

Built
1962
63 years old, rebuilt 2008
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
360 ft
2 main spans
Daily traffic
22,287
2021 count
Owner
State
State Highway Agency

About this bridge

LA0108 over I-10 is a steel stringer/multi-beam or girder carrying LA0108 over I-10 in Calcasieu Parish, Louisiana. It was built in 1962 and reconstructed in 2008, so it is 63 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 360 ft (109.7 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLA0108
CrossesI-10
Location3.0 Miles East of JCT LA
RouteState Highway 108
CountyCalcasieu Parish
StateLouisiana
Coordinates30.21566, -93.3254
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2 (+4 approach)
Design loadHS 20
Structure length360 ft (109.7 m)
Longest span80 ft (24.4 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 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
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was LA0108 over I-10 built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2008.

What condition is LA0108 over I-10 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 May 2023.

How much traffic does LA0108 over I-10 carry?

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

How long is LA0108 over I-10?

The structure is 360 ft (109.7 m) long with a longest span of 80 ft (24.4 m) and a deck 34 ft wide.

Who owns LA0108 over I-10?

It is owned by the State Highway Agency.