US Bridges

E0720 over Cooper Creek

Fair

Kingfisher County, Oklahoma · .1S .2W of Loyal · Structure no. 138180000000000

Built
1957
68 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
122 ft
3 main spans
Daily traffic
706
2022 count
Owner
County
County Highway Agency

About this bridge

E0720 over Cooper Creek is a prestressed concrete stringer/multi-beam or girder carrying E0720 over Cooper Creek in Kingfisher County, Oklahoma. It was built in 1957, so it is 68 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 5 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 706 vehicles a day, roughly 15% of them trucks, projected to reach 1,130 by 2042. The structure is 122 ft (37.2 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesE0720
CrossesCooper Creek
Location.1S .2W of Loyal
RouteCounty Highway E0720
Coordinates35.97092, -98.1219
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length122 ft (37.2 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic706 (2022)
Projected traffic1,130 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$565,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E0720 over Cooper Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is E0720 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 2024.

How much traffic does E0720 over Cooper Creek carry?

About 706 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is E0720 over Cooper Creek?

The structure is 122 ft (37.2 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns E0720 over Cooper Creek?

It is owned by the County Highway Agency.