US Bridges

S.H. 99 over Cimarron River

Fair

Creek County, Oklahoma · 4.4 MI E S Payne C/L · Structure no. 158630000000000

Built
1963
62 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
763 ft
6 main spans
Daily traffic
2,300
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 99 over Cimarron River is a steel continuous stringer/multi-beam or girder carrying S.H. 99 over Cimarron River in Creek County, Oklahoma. It was built in 1963, so it is 62 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 2,300 vehicles a day, roughly 16% of them trucks, projected to reach 3,680 by 2042. The structure is 763 ft (232.6 m) long and 31 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

Location

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CarriesS.H. 99
CrossesCimarron River
Location4.4 MI E S Payne C/L
RouteState Highway 99
CountyCreek County
StateOklahoma
Coordinates36.09393, -96.57943
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadH 20
Structure length763 ft (232.6 m)
Longest span120 ft (36.6 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2022)
Projected traffic3,680 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 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$4.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 99 over Cimarron River built?

It was built in 1963, making it 62 years old in 2025.

What condition is S.H. 99 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 June 2023.

How much traffic does S.H. 99 over Cimarron River carry?

About 2,300 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is S.H. 99 over Cimarron River?

The structure is 763 ft (232.6 m) long with a longest span of 120 ft (36.6 m) and a deck 31 ft wide.

Who owns S.H. 99 over Cimarron River?

It is owned by the State Highway Agency.