US Bridges

6946C over Little Beaver Creek

Good

Stephens County, Oklahoma · 7.2 MI W 1.0 N Duncan · Structure no. 216440000000000

Built
1987
38 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
122 ft
3 main spans
Daily traffic
314
2022 count
Owner
County
County Highway Agency

About this bridge

6946C over Little Beaver Creek is a prestressed concrete stringer/multi-beam or girder carrying 6946C over Little Beaver Creek in Stephens County, Oklahoma. It was built in 1987, so it is 38 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 314 vehicles a day, roughly 15% of them trucks, projected to reach 502 by 2042. The structure is 122 ft (37.2 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries6946C
CrossesLittle Beaver Creek
Location7.2 MI W 1.0 N Duncan
RouteCounty Highway 6946C
Coordinates34.52159, -98.09272
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
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 rating68.8 US tons
Inventory rating40.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length122 ft (37.2 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 traffic314 (2022)
Projected traffic502 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 6946C over Little Beaver Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is 6946C over Little Beaver 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 6946C over Little Beaver Creek carry?

About 314 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 6946C over Little Beaver Creek?

The structure is 122 ft (37.2 m) long with a longest span of 50 ft (15.2 m) and a deck 28 ft wide.

Who owns 6946C over Little Beaver Creek?

It is owned by the County Highway Agency.