US Bridges

I0010 over Coone Gully

Fair

Calcasieu Parish, Louisiana · 0.5 MI East of LA 108 · Structure no. 071004509109122

Built
1965
60 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
120 ft
6 main spans
Daily traffic
3,799
2021 count
Owner
State
State Highway Agency

About this bridge

I0010 over Coone Gully is a concrete slab carrying I0010 over Coone Gully in Calcasieu Parish, Louisiana. It was built in 1965, so it is 60 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 3,799 vehicles a day, roughly 34% of them trucks, projected to reach 4,178 by 2041. The structure is 120 ft (36.6 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI0010
CrossesCoone Gully
Location0.5 MI East of LA 108
RouteInterstate 10
Coordinates30.18751, -93.55842
Functional classRural 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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.1 US tons
Inventory rating46 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span20 ft (6.1 m)
Deck width46 ft (14 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,799 (2021)
Projected traffic4,178 by 2041
Trucks34%
Lanes on structure2
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 Coone Gully built?

It was built in 1965, making it 60 years old in 2025.

What condition is I0010 over Coone Gully 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 October 2024.

How much traffic does I0010 over Coone Gully carry?

About 3,799 vehicles per day (2021 count), of which roughly 34% are trucks.

How long is I0010 over Coone Gully?

The structure is 120 ft (36.6 m) long with a longest span of 20 ft (6.1 m) and a deck 46 ft wide.

Who owns I0010 over Coone Gully?

It is owned by the State Highway Agency.