US Bridges

I-40 over Turkey Creek

Fair

Washita County, Oklahoma · 6.5 MI E Beckham C/L · Structure no. 140660000000000

Built
1958
67 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
47 ft
3 main spans
Daily traffic
17,400
2022 count
Owner
State
State Highway Agency

About this bridge

I-40 over Turkey Creek is a concrete culvert carrying I-40 over Turkey Creek in Washita County, Oklahoma. It was built in 1958, so it is 67 years old, older than the Oklahoma average of 47.8 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 17,400 vehicles a day, roughly 36% of them trucks, projected to reach 27,840 by 2042. The structure is 47 ft (14.3 m) long and 182 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

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CarriesI-40
CrossesTurkey Creek
Location6.5 MI E Beckham C/L
RouteInterstate 40
CountyWashita County
StateOklahoma
Coordinates35.42131, -99.25032
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length47 ft (14.3 m)
Longest span17 ft (5.2 m)
Deck width182 ft (55.5 m)
Roadway width180 ft (54.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,400 (2022)
Projected traffic27,840 by 2042
Trucks36%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-40 over Turkey Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is I-40 over Turkey Creek 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 March 2023.

How much traffic does I-40 over Turkey Creek carry?

About 17,400 vehicles per day (2022 count), of which roughly 36% are trucks.

How long is I-40 over Turkey Creek?

The structure is 47 ft (14.3 m) long with a longest span of 17 ft (5.2 m) and a deck 182 ft wide.

Who owns I-40 over Turkey Creek?

It is owned by the State Highway Agency.