US Bridges

Cimarron Tp over Co. Rd. under

Fair

Noble County, Oklahoma · T.P No 10.4 · Structure no. 184010000000000

Built
1973
52 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
4,700
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

Cimarron Tp over Co. Rd. under is a concrete culvert carrying Cimarron Tp over Co. Rd. under in Noble 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 4,700 vehicles a day, roughly 25% of them trucks, projected to reach 7,520 by 2042. The structure is 22 ft (6.7 m) long and 103 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesCimarron Tp
CrossesCo. Rd. under
LocationT.P No 10.4
RouteU.S. Route 412
Coordinates36.39195, -97.14036
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
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 15
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width103 ft (31.4 m)
Roadway width101 ft (30.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,700 (2022)
Projected traffic7,520 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$360,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Cimarron Tp over Co. Rd. under built?

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

What condition is Cimarron Tp over Co. Rd. 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 Co. Rd. under carry?

About 4,700 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is Cimarron Tp over Co. Rd. under?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 103 ft wide.

Who owns Cimarron Tp over Co. Rd. under?

It is owned by the State Toll Authority.