US Bridges

E1800 over East Cow Creek

Good

Stephens County, Oklahoma · 1.7E US81 3.N SH 53 · Structure no. 210650000000000

Built
1985
40 years old
Condition
Good
inspected June 2024
Type
Tee Beam
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
200
2022 count
Owner
County
County Highway Agency

About this bridge

E1800 over East Cow Creek is a prestressed concrete tee beam carrying E1800 over East Cow Creek in Stephens County, Oklahoma. It was built in 1985, so it is 40 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 200 vehicles a day, roughly 10% of them trucks, projected to reach 320 by 2042. The structure is 120 ft (36.6 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesE1800
CrossesEast Cow Creek
Location1.7E US81 3.N SH 53
RouteCounty Highway E1800
Coordinates34.40539, -97.94249
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 rating61 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span50 ft (15.2 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2022)
Projected traffic320 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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$560,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E1800 over East Cow Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is E1800 over East Cow Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does E1800 over East Cow Creek carry?

About 200 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is E1800 over East Cow Creek?

The structure is 120 ft (36.6 m) long with a longest span of 50 ft (15.2 m) and a deck 28 ft wide.

Who owns E1800 over East Cow Creek?

It is owned by the County Highway Agency.