US Bridges

Cimarron Tp over U.S. 77 under

Fair

Noble County, Oklahoma · 7.6 MI N US 64 · Structure no. 190280000000000

Built
1975
50 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
101 ft
1 main span
Daily traffic
4,800
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

Cimarron Tp over U.S. 77 under is a prestressed concrete stringer/multi-beam or girder carrying Cimarron Tp over U.S. 77 under in Noble 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 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 4,800 vehicles a day, roughly 25% of them trucks, projected to reach 7,680 by 2042. The structure is 101 ft (30.7 m) long and 85 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesCimarron Tp
CrossesU.S. 77 under
Location7.6 MI N US 64
CountyNoble County
StateOklahoma
Coordinates36.39885, -97.28286
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.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.4 US tons
Inventory rating41.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length101 ft (30.7 m)
Longest span100 ft (30.5 m)
Deck width85 ft (25.9 m)
Roadway width83 ft (25.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,800 (2022)
Projected traffic7,680 by 2042
Trucks25%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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$1.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Cimarron Tp over U.S. 77 under built?

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

What condition is Cimarron Tp over U.S. 77 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 February 2024.

How much traffic does Cimarron Tp over U.S. 77 under carry?

About 4,800 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is Cimarron Tp over U.S. 77 under?

The structure is 101 ft (30.7 m) long with a longest span of 100 ft (30.5 m) and a deck 85 ft wide.

Who owns Cimarron Tp over U.S. 77 under?

It is owned by the State Toll Authority.