US Bridges

Cimarron Tp over U.S. 64 under

Fair

Pawnee County, Oklahoma · 14.0 MI E SH 99 · Structure no. 190380000000000

Built
1975
50 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
112 ft
1 main span
Daily traffic
4,500
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

Cimarron Tp over U.S. 64 under is a steel stringer/multi-beam or girder carrying Cimarron Tp over U.S. 64 under in Pawnee County, Oklahoma. It was built in 1975, so it is 50 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 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 4,500 vehicles a day, roughly 25% of them trucks, projected to reach 7,200 by 2042. The structure is 112 ft (34.1 m) long and 40 ft wide.

Location

Open in Google Maps
CarriesCimarron Tp
CrossesU.S. 64 under
Location14.0 MI E SH 99
CountyPawnee County
StateOklahoma
Coordinates36.21709, -96.38647
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating109.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length112 ft (34.1 m)
Longest span109 ft (33.2 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,500 (2022)
Projected traffic7,200 by 2042
Trucks25%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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$761,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Cimarron Tp over U.S. 64 under built?

It was built in 1975, making it 50 years old in 2025.

What condition is Cimarron Tp over U.S. 64 under 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 U.S. 64 under carry?

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

How long is Cimarron Tp over U.S. 64 under?

The structure is 112 ft (34.1 m) long with a longest span of 109 ft (33.2 m) and a deck 40 ft wide.

Who owns Cimarron Tp over U.S. 64 under?

It is owned by the State Toll Authority.