US Bridges

S.H. 108 over Cimarron Tp under

Fair

Payne County, Oklahoma · 8.3 MI N SH51 · Structure no. 190630000000000

Built
1975
50 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
162 ft
2 main spans
Daily traffic
1,400
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 108 over Cimarron Tp under is a prestressed concrete stringer/multi-beam or girder carrying S.H. 108 over Cimarron Tp under in Payne 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 1,400 vehicles a day, roughly 15% of them trucks, projected to reach 2,240 by 2042. The structure is 162 ft (49.4 m) long and 35 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesS.H. 108
CrossesCimarron Tp under
Location8.3 MI N SH51
RouteState Highway 108
Coordinates36.23736, -96.9258
Functional classRural Major Collector

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.
Last inspectionJanuary 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.3 US tons
Inventory rating43.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length162 ft (49.4 m)
Longest span81 ft (24.7 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2022)
Projected traffic2,240 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 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$2.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was S.H. 108 over Cimarron Tp under built?

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

What condition is S.H. 108 over Cimarron Tp 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 January 2024.

How much traffic does S.H. 108 over Cimarron Tp under carry?

About 1,400 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 108 over Cimarron Tp under?

The structure is 162 ft (49.4 m) long with a longest span of 81 ft (24.7 m) and a deck 35 ft wide.

Who owns S.H. 108 over Cimarron Tp under?

It is owned by the State Highway Agency.