US Bridges

1336C over Cimarron River

FairPosted for load

Cimarron County, Oklahoma · 1.7N of SH 325 · Structure no. 175670000000000

Built
1969
56 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
300 ft
5 main spans
Daily traffic
25
2022 count
Owner
County
County Highway Agency

About this bridge

1336C over Cimarron River is a steel stringer/multi-beam or girder carrying 1336C over Cimarron River in Cimarron County, Oklahoma. It was built in 1969, so it is 56 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. Its operating status is: posted for load restriction.

It carries about 25 vehicles a day, roughly 15% of them trucks, projected to reach 40 by 2042. The structure is 300 ft (91.4 m) long and 26 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Carries1336C
CrossesCimarron River
Location1.7N of SH 325
RouteCounty Highway 1336C
Coordinates36.92679, -102.9595
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 rating34 US tons
Inventory rating20 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length300 ft (91.4 m)
Longest span60 ft (18.3 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic40 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$891,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 1336C over Cimarron River built?

It was built in 1969, making it 56 years old in 2025.

What condition is 1336C 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 October 2023.

How much traffic does 1336C over Cimarron River carry?

About 25 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 1336C over Cimarron River?

The structure is 300 ft (91.4 m) long with a longest span of 60 ft (18.3 m) and a deck 26 ft wide.

Who owns 1336C over Cimarron River?

It is owned by the County Highway Agency.