US Bridges

I0010 over Kayouche Coulee

Fair

Calcasieu Parish, Louisiana · 2.5 MI W of LA 397 · Structure no. 071004509133432

Built
1964
61 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
300 ft
15 main spans
Daily traffic
11,437
2021 count
Owner
State
State Highway Agency

About this bridge

I0010 over Kayouche Coulee is a concrete slab carrying I0010 over Kayouche Coulee in Calcasieu Parish, Louisiana. It was built in 1964, so it is 61 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 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 11,437 vehicles a day, roughly 25% of them trucks, projected to reach 12,580 by 2041. The structure is 300 ft (91.4 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI0010
CrossesKayouche Coulee
Location2.5 MI W of LA 397
RouteInterstate 10
CountyCalcasieu Parish
StateLouisiana
Coordinates30.24641, -93.16782
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating33.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans15
Design loadHS 20
Structure length300 ft (91.4 m)
Longest span20 ft (6.1 m)
Deck width55 ft (16.8 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,437 (2021)
Projected traffic12,580 by 2041
Trucks25%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I0010 over Kayouche Coulee built?

It was built in 1964, making it 61 years old in 2025.

What condition is I0010 over Kayouche Coulee 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 December 2024.

How much traffic does I0010 over Kayouche Coulee carry?

About 11,437 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is I0010 over Kayouche Coulee?

The structure is 300 ft (91.4 m) long with a longest span of 20 ft (6.1 m) and a deck 55 ft wide.

Who owns I0010 over Kayouche Coulee?

It is owned by the State Highway Agency.