US Bridges

U.S. 270 over Cheyenne Creek

Good

Dewey County, Oklahoma · 0.8 MI SE JCT U.S. 60 · Structure no. 226180000000000

Built
1990
35 years old, rebuilt 2009
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
100 ft
1 main span
Daily traffic
4,500
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 270 over Cheyenne Creek is a prestressed concrete stringer/multi-beam or girder carrying U.S. 270 over Cheyenne Creek in Dewey County, Oklahoma. It was built in 1990 and reconstructed in 2009, so it is 35 years old, younger 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 4,500 vehicles a day, roughly 25% of them trucks, projected to reach 7,200 by 2042. The structure is 100 ft (30.5 m) long and 70 ft wide. If it were closed, the detour would be 57.8 mi (93 km).

Location

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CarriesU.S. 270
CrossesCheyenne Creek
Location0.8 MI SE JCT U.S. 60
RouteU.S. Route 270
CountyDewey County
StateOklahoma
Coordinates36.13597, -98.91565
Functional classRural Principal Arterial - Other

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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating38 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length100 ft (30.5 m)
Longest span100 ft (30.5 m)
Deck width70 ft (21.3 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,500 (2022)
Projected traffic7,200 by 2042
Trucks25%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed57.8 mi (93 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was U.S. 270 over Cheyenne Creek built?

It was built in 1990, making it 35 years old in 2025. It was reconstructed in 2009.

What condition is U.S. 270 over Cheyenne 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 October 2024.

How much traffic does U.S. 270 over Cheyenne Creek carry?

About 4,500 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is U.S. 270 over Cheyenne Creek?

The structure is 100 ft (30.5 m) long with a longest span of 100 ft (30.5 m) and a deck 70 ft wide.

Who owns U.S. 270 over Cheyenne Creek?

It is owned by the State Highway Agency.