US Bridges

S.H. 51 over Cow Creek

Good

Payne County, Oklahoma · 14.8E of Logan C/L · Structure no. 281840000000000

Built
2007
18 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
172 ft
3 main spans
Daily traffic
14,200
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 51 over Cow Creek is a prestressed concrete stringer/multi-beam or girder carrying S.H. 51 over Cow Creek in Payne County, Oklahoma. It was built in 2007, so it is 18 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 14,200 vehicles a day, roughly 15% of them trucks, projected to reach 22,720 by 2042. The structure is 172 ft (52.4 m) long and 88 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesS.H. 51
CrossesCow Creek
Location14.8E of Logan C/L
RouteState Highway 51
Coordinates36.11578, -97.09917
Functional classUrban Other Principal Arterial

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.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.1 US tons
Inventory rating40.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length172 ft (52.4 m)
Longest span70 ft (21.3 m)
Deck width88 ft (26.8 m)
Roadway width85 ft (25.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,200 (2022)
Projected traffic22,720 by 2042
Trucks15%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$6.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 51 over Cow Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is S.H. 51 over 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 January 2024.

How much traffic does S.H. 51 over Cow Creek carry?

About 14,200 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 51 over Cow Creek?

The structure is 172 ft (52.4 m) long with a longest span of 70 ft (21.3 m) and a deck 88 ft wide.

Who owns S.H. 51 over Cow Creek?

It is owned by the State Highway Agency.