US Bridges

E0020 over Cooper Creek

Fair

Grant County, Oklahoma · .7S 1.2W of Manchester · Structure no. 212930000000000

Built
1986
39 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
94 ft
3 main spans
Daily traffic
120
2022 count
Owner
County
County Highway Agency

About this bridge

E0020 over Cooper Creek is a concrete stringer/multi-beam or girder carrying E0020 over Cooper Creek in Grant County, Oklahoma. It was built in 1986, so it is 39 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.

It carries about 120 vehicles a day, roughly 15% of them trucks, projected to reach 192 by 2042. The structure is 94 ft (28.7 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesE0020
CrossesCooper Creek
Location.7S 1.2W of Manchester
RouteCounty Highway E0020
Coordinates36.98553, -98.06254
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 protection8 Very GoodNo problems noted.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length94 ft (28.7 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2022)
Projected traffic192 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$492,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E0020 over Cooper Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is E0020 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 March 2023.

How much traffic does E0020 over Cooper Creek carry?

About 120 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is E0020 over Cooper Creek?

The structure is 94 ft (28.7 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns E0020 over Cooper Creek?

It is owned by the County Highway Agency.