US Bridges

6914C (plato Rd.) over East Cow Creek

Good

Stephens County, Oklahoma · 2.6 MI E Duncan · Structure no. 199410000000000

Built
1981
44 years old
Condition
Good
inspected June 2024
Type
Tee Beam
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
1,102
2022 count
Owner
County
County Highway Agency

About this bridge

6914C (plato Rd.) over East Cow Creek is a prestressed concrete tee beam carrying 6914C (plato Rd.) over East Cow Creek in Stephens County, Oklahoma. It was built in 1981, so it is 44 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 1,102 vehicles a day, roughly 15% of them trucks, projected to reach 1,763 by 2042. The structure is 55 ft (16.8 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries6914C (plato Rd.)
CrossesEast Cow Creek
Location2.6 MI E Duncan
RouteCounty Highway 6914C
Coordinates34.53614, -97.92098
Functional classRural Major Collector

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 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 evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.9 US tons
Inventory rating31.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length55 ft (16.8 m)
Longest span55 ft (16.8 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,102 (2022)
Projected traffic1,763 by 2042
Trucks15%
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$369,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 6914C (plato Rd.) over East Cow Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is 6914C (plato Rd.) 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 6914C (plato Rd.) over East Cow Creek carry?

About 1,102 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 6914C (plato Rd.) over East Cow Creek?

The structure is 55 ft (16.8 m) long with a longest span of 55 ft (16.8 m) and a deck 28 ft wide.

Who owns 6914C (plato Rd.) over East Cow Creek?

It is owned by the County Highway Agency.