US Bridges

S.H. 50 over Cimarron River

Fair

Woods County, Oklahoma · Woods-Woodward C/L · Structure no. 193640000000000

Built
1977
48 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,401 ft
14 main spans
Daily traffic
790
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 50 over Cimarron River is a prestressed concrete stringer/multi-beam or girder carrying S.H. 50 over Cimarron River in Woods County, Oklahoma. It was built in 1977, so it is 48 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 790 vehicles a day, roughly 15% of them trucks, projected to reach 1,264 by 2042. The structure is 1,401 ft (427 m) long and 34 ft wide. If it were closed, the detour would be 52.8 mi (85 km).

Location

Open in Google Maps
CarriesS.H. 50
CrossesCimarron River
LocationWoods-Woodward C/L
RouteState Highway 50
CountyWoods County
StateOklahoma
Coordinates36.7558, -99.11787
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.2 US tons
Inventory rating40.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans14
Design loadHS 20
Structure length1,401 ft (427 m)
Longest span100 ft (30.5 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic790 (2022)
Projected traffic1,264 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed52.8 mi (85 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$7.7 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 50 over Cimarron River built?

It was built in 1977, making it 48 years old in 2025.

What condition is S.H. 50 over Cimarron River 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 2023.

How much traffic does S.H. 50 over Cimarron River carry?

About 790 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 50 over Cimarron River?

The structure is 1,401 ft (427 m) long with a longest span of 100 ft (30.5 m) and a deck 34 ft wide.

Who owns S.H. 50 over Cimarron River?

It is owned by the State Highway Agency.