US Bridges

Cimarron Tp over Slwc R.R. under

Fair

Payne County, Oklahoma · .2 MI E SH 108 · Structure no. 184820000000000

Built
1973
52 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
125 ft
3 main spans
Daily traffic
8,800
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

Cimarron Tp over Slwc R.R. under is a prestressed concrete stringer/multi-beam or girder carrying Cimarron Tp over Slwc R.R. under in Payne 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 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 8,800 vehicles a day, roughly 25% of them trucks, projected to reach 14,080 by 2042. The structure is 125 ft (38.1 m) long and 86 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesCimarron Tp
CrossesSlwc R.R. under
Location.2 MI E SH 108
RouteU.S. Route 412
CountyPayne County
StateOklahoma
Coordinates36.23628, -96.92258
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.8 US tons
Inventory rating34.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length125 ft (38.1 m)
Longest span47 ft (14.3 m)
Deck width86 ft (26.2 m)
Roadway width83 ft (25.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,800 (2022)
Projected traffic14,080 by 2042
Trucks25%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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$1.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Cimarron Tp over Slwc R.R. under built?

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

What condition is Cimarron Tp over Slwc R.R. 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 Slwc R.R. under carry?

About 8,800 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is Cimarron Tp over Slwc R.R. under?

The structure is 125 ft (38.1 m) long with a longest span of 47 ft (14.3 m) and a deck 86 ft wide.

Who owns Cimarron Tp over Slwc R.R. under?

It is owned by the State Toll Authority.