US Bridges

N2590 over Cottonwood Creek Trib.

Fair

Alfalfa County, Oklahoma · 2W 1.2N of Cherokee · Structure no. 011740000000000

Built
1921
104 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
75
2022 count
Owner
County
County Highway Agency

About this bridge

N2590 over Cottonwood Creek Trib. is a concrete culvert carrying N2590 over Cottonwood Creek Trib. in Alfalfa County, Oklahoma. It was built in 1921, so it is 104 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 75 vehicles a day, roughly 10% of them trucks, projected to reach 120 by 2042. The structure is 22 ft (6.7 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesN2590
CrossesCottonwood Creek Trib.
Location2W 1.2N of Cherokee
RouteCounty Highway N2590
CountyAlfalfa County
StateOklahoma
Coordinates36.77113, -98.39637
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2022)
Projected traffic120 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N2590 over Cottonwood Creek Trib. built?

It was built in 1921, making it 104 years old in 2025.

What condition is N2590 over Cottonwood Creek Trib. 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 June 2023.

How much traffic does N2590 over Cottonwood Creek Trib. carry?

About 75 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N2590 over Cottonwood Creek Trib.?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 27 ft wide.

Who owns N2590 over Cottonwood Creek Trib.?

It is owned by the County Highway Agency.