US Bridges

I0010 over LA 1256

Fair

Calcasieu Parish, Louisiana · I-10 over LA 27 · Structure no. 071004509120261

Built
2004
21 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
302 ft
3 main spans
Daily traffic
86,969
2021 count
Owner
State
State Highway Agency

About this bridge

I0010 over LA 1256 is a prestressed concrete continuous stringer/multi-beam or girder carrying I0010 over LA 1256 in Calcasieu Parish, Louisiana. It was built in 2004, so it is 21 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 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 86,969 vehicles a day, roughly 25% of them trucks, projected to reach 95,665 by 2041. The structure is 302 ft (92 m) long and 135 ft wide.

CarriesI0010
CrossesLA 1256
LocationI-10 over LA 27
RouteInterstate 10
Coordinates30.21566, -93.3768
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.3 US tons
Inventory rating29.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length302 ft (92 m)
Longest span112 ft (34.1 m)
Deck width135 ft (41 m)
Roadway width130 ft (39.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic86,969 (2021)
Projected traffic95,665 by 2041
Trucks25%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 I0010 over LA 1256 built?

It was built in 2004, making it 21 years old in 2025.

What condition is I0010 over LA 1256 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 February 2023.

How much traffic does I0010 over LA 1256 carry?

About 86,969 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is I0010 over LA 1256?

The structure is 302 ft (92 m) long with a longest span of 112 ft (34.1 m) and a deck 135 ft wide.

Who owns I0010 over LA 1256?

It is owned by the State Highway Agency.