US Bridges

I-40 over I-40 Bus. under

Good

Beckham County, Oklahoma · 4.3 MI E U.S. 283 · Structure no. 179020000000000

Built
1970
55 years old, rebuilt 2006
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
178 ft
3 main spans
Daily traffic
7,200
2022 count
Owner
State
State Highway Agency

About this bridge

I-40 over I-40 Bus. under is a steel stringer/multi-beam or girder carrying I-40 over I-40 Bus. under in Beckham County, Oklahoma. It was built in 1970 and reconstructed in 2006, so it is 55 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 7,200 vehicles a day, roughly 53% of them trucks, projected to reach 11,520 by 2042. The structure is 178 ft (54.3 m) long and 41 ft wide.

Location

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CarriesI-40
CrossesI-40 Bus. under
Location4.3 MI E U.S. 283
RouteInterstate 40
CountyBeckham County
StateOklahoma
Coordinates35.31528, -99.61241
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.1 US tons
Inventory rating46 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length178 ft (54.3 m)
Longest span103 ft (31.4 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,200 (2022)
Projected traffic11,520 by 2042
Trucks53%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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$1.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-40 over I-40 Bus. under built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2006.

What condition is I-40 over I-40 Bus. under 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 I-40 Bus. under carry?

About 7,200 vehicles per day (2022 count), of which roughly 53% are trucks.

How long is I-40 over I-40 Bus. under?

The structure is 178 ft (54.3 m) long with a longest span of 103 ft (31.4 m) and a deck 41 ft wide.

Who owns I-40 over I-40 Bus. under?

It is owned by the State Highway Agency.