US Bridges

I-40 over Timber Creek

Good

Beckham County, Oklahoma · 2.8 MI E I-40 Bus. · Structure no. 141700000000000

Built
1958
67 years old, rebuilt 2010
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
209 ft
3 main spans
Daily traffic
7,850
2022 count
Owner
State
State Highway Agency

About this bridge

I-40 over Timber Creek is a steel continuous stringer/multi-beam or girder carrying I-40 over Timber Creek in Beckham County, Oklahoma. It was built in 1958 and reconstructed in 2010, 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,850 vehicles a day, roughly 40% of them trucks, projected to reach 12,560 by 2042. The structure is 209 ft (63.7 m) long and 41 ft wide.

Location

Open in Google Maps
CarriesI-40
CrossesTimber Creek
Location2.8 MI E I-40 Bus.
RouteInterstate 40
CountyBeckham County
StateOklahoma
Coordinates35.34488, -99.58099
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length209 ft (63.7 m)
Longest span80 ft (24.4 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,850 (2022)
Projected traffic12,560 by 2042
Trucks40%
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$2.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-40 over Timber Creek built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2010.

What condition is I-40 over Timber Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

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

About 7,850 vehicles per day (2022 count), of which roughly 40% are trucks.

How long is I-40 over Timber Creek?

The structure is 209 ft (63.7 m) long with a longest span of 80 ft (24.4 m) and a deck 41 ft wide.

Who owns I-40 over Timber Creek?

It is owned by the State Highway Agency.