US Bridges

Cimarron Tp over Oak Creek

Fair

Noble County, Oklahoma · .5 MI N County Line · Structure no. 185320000000000

Built
1973
52 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
164 ft
3 main spans
Daily traffic
5,400
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

Cimarron Tp over Oak Creek is a prestressed concrete stringer/multi-beam or girder carrying Cimarron Tp over Oak Creek in Noble County, Oklahoma. It was built in 1973, so it is 52 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 5,400 vehicles a day, roughly 25% of them trucks, projected to reach 8,640 by 2042. The structure is 164 ft (50 m) long and 86 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesCimarron Tp
CrossesOak Creek
Location.5 MI N County Line
RouteU.S. Route 412
Coordinates36.25351, -96.96894
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.8 US tons
Inventory rating28.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length164 ft (50 m)
Longest span78 ft (23.8 m)
Deck width86 ft (26.2 m)
Roadway width83 ft (25.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,400 (2022)
Projected traffic8,640 by 2042
Trucks25%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.9 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Cimarron Tp over Oak Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Cimarron Tp over Oak Creek 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 March 2024.

How much traffic does Cimarron Tp over Oak Creek carry?

About 5,400 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is Cimarron Tp over Oak Creek?

The structure is 164 ft (50 m) long with a longest span of 78 ft (23.8 m) and a deck 86 ft wide.

Who owns Cimarron Tp over Oak Creek?

It is owned by the State Toll Authority.