US Bridges

I-40 over Turkey Creek

Fair

Beckham County, Oklahoma · 16.3 MI E Texas St. Line · Structure no. 175300000000000

Built
1969
56 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
185 ft
3 main spans
Daily traffic
5,850
2022 count
Owner
State
State Highway Agency

About this bridge

I-40 over Turkey Creek is a steel continuous stringer/multi-beam or girder carrying I-40 over Turkey Creek in Beckham County, Oklahoma. It was built in 1969, so it is 56 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 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 5,850 vehicles a day, roughly 53% of them trucks, projected to reach 9,360 by 2042. The structure is 185 ft (56.4 m) long and 40 ft wide.

Location

Open in Google Maps
CarriesI-40
CrossesTurkey Creek
Location16.3 MI E Texas St. Line
RouteInterstate 40
CountyBeckham County
StateOklahoma
Coordinates35.25881, -99.72395
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating28 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length185 ft (56.4 m)
Longest span70 ft (21.3 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,850 (2022)
Projected traffic9,360 by 2042
Trucks53%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-40 over Turkey Creek built?

It was built in 1969, making it 56 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 5,850 vehicles per day (2022 count), of which roughly 53% are trucks.

How long is I-40 over Turkey Creek?

The structure is 185 ft (56.4 m) long with a longest span of 70 ft (21.3 m) and a deck 40 ft wide.

Who owns I-40 over Turkey Creek?

It is owned by the State Highway Agency.