US Bridges

I-40 WB over Washita Riv.& Co. RD Und

Fair

Custer County, Oklahoma · 1.3 MI E JCT US 183 · Structure no. 175960000000000

Built
1969
56 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
603 ft
6 main spans
Daily traffic
9,750
2022 count
Owner
State
State Highway Agency

About this bridge

I-40 WB over Washita Riv.& Co. RD Und is a steel continuous stringer/multi-beam or girder carrying I-40 WB over Washita Riv.& Co. RD Und in Custer 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 9,750 vehicles a day, roughly 36% of them trucks, projected to reach 15,600 by 2042. The structure is 603 ft (183.8 m) long and 40 ft wide.

Location

Open in Google Maps
CarriesI-40 WB
CrossesWashita Riv.& Co. RD Und
Location1.3 MI E JCT US 183
RouteInterstate 40
CountyCuster County
StateOklahoma
Coordinates35.50269, -98.9432
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length603 ft (183.8 m)
Longest span100 ft (30.5 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,750 (2022)
Projected traffic15,600 by 2042
Trucks36%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
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$6.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-40 WB over Washita Riv.& Co. RD Und built?

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

What condition is I-40 WB over Washita Riv.& Co. RD Und 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 February 2023.

How much traffic does I-40 WB over Washita Riv.& Co. RD Und carry?

About 9,750 vehicles per day (2022 count), of which roughly 36% are trucks.

How long is I-40 WB over Washita Riv.& Co. RD Und?

The structure is 603 ft (183.8 m) long with a longest span of 100 ft (30.5 m) and a deck 40 ft wide.

Who owns I-40 WB over Washita Riv.& Co. RD Und?

It is owned by the State Highway Agency.