US Bridges

N2680 over Cooper Creek

FairPosted for load

Blaine County, Oklahoma · 7. E .7 S of Hitchcock · Structure no. 201970000000000

Built
1982
43 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
2 main spans
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

N2680 over Cooper Creek is a steel stringer/multi-beam or girder carrying N2680 over Cooper Creek in Blaine County, Oklahoma. It was built in 1982, so it is 43 years old, younger 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 80 by 2042. The structure is 60 ft (18.3 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesN2680
CrossesCooper Creek
Location7. E .7 S of Hitchcock
RouteCounty Highway N2680
CountyBlaine County
StateOklahoma
Coordinates35.96195, -98.22786
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31 US tons
Inventory rating19 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length60 ft (18.3 m)
Longest span29 ft (8.8 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic80 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$387,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N2680 over Cooper Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is N2680 over Cooper Creek 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 N2680 over Cooper Creek carry?

About 50 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N2680 over Cooper Creek?

The structure is 60 ft (18.3 m) long with a longest span of 29 ft (8.8 m) and a deck 20 ft wide.

Who owns N2680 over Cooper Creek?

It is owned by the County Highway Agency.