US Bridges

LA0027 over I-10

Fair

Calcasieu Parish, Louisiana · 2.2 MI N of LA 108 · Structure no. 071008102702221

Built
1988
37 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
280 ft
2 main spans
Daily traffic
19,872
2021 count
Owner
State
State Highway Agency

About this bridge

LA0027 over I-10 is a prestressed concrete stringer/multi-beam or girder carrying LA0027 over I-10 in Calcasieu Parish, Louisiana. It was built in 1988, so it is 37 years old, younger 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 19,872 vehicles a day, roughly 10% of them trucks, projected to reach 21,859 by 2041. The structure is 280 ft (85.3 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLA0027
CrossesI-10
Location2.2 MI N of LA 108
RouteState Highway 27
Coordinates30.21548, -93.3584
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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating41.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length280 ft (85.3 m)
Longest span160 ft (48.8 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,872 (2021)
Projected traffic21,859 by 2041
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 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$1.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was LA0027 over I-10 built?

It was built in 1988, making it 37 years old in 2025.

What condition is LA0027 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 August 2024.

How much traffic does LA0027 over I-10 carry?

About 19,872 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is LA0027 over I-10?

The structure is 280 ft (85.3 m) long with a longest span of 160 ft (48.8 m) and a deck 43 ft wide.

Who owns LA0027 over I-10?

It is owned by the State Highway Agency.