US Bridges

I-40 WB over Co. Rd. under

Fair

Beckham County, Oklahoma · 10.9 Mi.E.Of I-40 Bus · Structure no. 174820000000000

Built
1969
56 years old, rebuilt 1985
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
132 ft
3 main spans
Daily traffic
6,800
2022 count
Owner
State
State Highway Agency

About this bridge

I-40 WB over Co. Rd. under is a steel continuous stringer/multi-beam or girder carrying I-40 WB over Co. Rd. under in Beckham County, Oklahoma. It was built in 1969 and reconstructed in 1985, 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 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 6,800 vehicles a day, roughly 40% of them trucks, projected to reach 10,880 by 2042. The structure is 132 ft (40.2 m) long and 40 ft wide.

Location

Open in Google Maps
CarriesI-40 WB
CrossesCo. Rd. under
Location10.9 Mi.E.Of I-40 Bus
RouteInterstate 40
CountyBeckham County
StateOklahoma
Coordinates35.38658, -99.45295
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length132 ft (40.2 m)
Longest span50 ft (15.2 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,800 (2022)
Projected traffic10,880 by 2042
Trucks40%
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$1.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-40 WB over Co. Rd. under built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 1985.

What condition is I-40 WB over Co. Rd. under 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 January 2023.

How much traffic does I-40 WB over Co. Rd. under carry?

About 6,800 vehicles per day (2022 count), of which roughly 40% are trucks.

How long is I-40 WB over Co. Rd. under?

The structure is 132 ft (40.2 m) long with a longest span of 50 ft (15.2 m) and a deck 40 ft wide.

Who owns I-40 WB over Co. Rd. under?

It is owned by the State Highway Agency.