US Bridges

U.S. 283 over Cimarron River

Fair

Harper County, Oklahoma · 10.4 MI N JCT US 64 · Structure no. 243000000000000

Built
1998
27 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,382 ft
14 main spans
Daily traffic
690
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 283 over Cimarron River is a prestressed concrete stringer/multi-beam or girder carrying U.S. 283 over Cimarron River in Harper County, Oklahoma. It was built in 1998, so it is 27 years old, younger 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 690 vehicles a day, roughly 16% of them trucks, projected to reach 1,104 by 2042. The structure is 1,382 ft (421.2 m) long and 34 ft wide. If it were closed, the detour would be 75.2 mi (121 km).

Location

Open in Google Maps
CarriesU.S. 283
CrossesCimarron River
Location10.4 MI N JCT US 64
RouteU.S. Route 283
CountyHarper County
StateOklahoma
Coordinates36.97444, -99.97592
Functional classRural Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans14
Design loadHS 20
Structure length1,382 ft (421.2 m)
Longest span100 ft (30.5 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic690 (2022)
Projected traffic1,104 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed75.2 mi (121 km)
TollOn a free road
National Highway SystemNo

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$7.7 million
NavigationNo navigation control on waterway

Frequently asked questions

When was U.S. 283 over Cimarron River built?

It was built in 1998, making it 27 years old in 2025.

What condition is U.S. 283 over Cimarron River 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 July 2024.

How much traffic does U.S. 283 over Cimarron River carry?

About 690 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is U.S. 283 over Cimarron River?

The structure is 1,382 ft (421.2 m) long with a longest span of 100 ft (30.5 m) and a deck 34 ft wide.

Who owns U.S. 283 over Cimarron River?

It is owned by the State Highway Agency.