US Bridges

6960C over Wild Horse Creek

FairPosted for load

Stephens County, Oklahoma · 9 MI E 3.6 N of Duncan · Structure no. 158360000000000

Built
1963
62 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
240 ft
4 main spans
Daily traffic
398
2022 count
Owner
County
County Highway Agency

About this bridge

6960C over Wild Horse Creek is a steel stringer/multi-beam or girder carrying 6960C over Wild Horse Creek in Stephens County, Oklahoma. It was built in 1963, so it is 62 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. Its operating status is: posted for load restriction.

It carries about 398 vehicles a day, roughly 15% of them trucks, projected to reach 637 by 2042. The structure is 240 ft (73.2 m) long and 28 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Carries6960C
CrossesWild Horse Creek
Location9 MI E 3.6 N of Duncan
RouteCounty Highway 6915
Coordinates34.54574, -97.80911
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be 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 rating29.2 US tons
Inventory rating17.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length240 ft (73.2 m)
Longest span60 ft (18.3 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic398 (2022)
Projected traffic637 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$790,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 6960C over Wild Horse Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is 6960C over Wild Horse 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 6960C over Wild Horse Creek carry?

About 398 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 6960C over Wild Horse Creek?

The structure is 240 ft (73.2 m) long with a longest span of 60 ft (18.3 m) and a deck 28 ft wide.

Who owns 6960C over Wild Horse Creek?

It is owned by the County Highway Agency.