US Bridges

S.H. 51 over Salt Creek

Good

Payne County, Oklahoma · 1.6 MI E JCT SH 18 · Structure no. 169810000000000

Built
1967
58 years old, rebuilt 2017
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
160 ft
3 main spans
Daily traffic
3,400
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 51 over Salt Creek is a prestressed concrete stringer/multi-beam or girder carrying S.H. 51 over Salt Creek in Payne County, Oklahoma. It was built in 1967 and reconstructed in 2017, so it is 58 years old, older 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 3,400 vehicles a day, roughly 16% of them trucks, projected to reach 5,440 by 2042. The structure is 160 ft (48.8 m) long and 46 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

CarriesS.H. 51
CrossesSalt Creek
Location1.6 MI E JCT SH 18
RouteState Highway 51
Coordinates36.11429, -96.73912
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.8 US tons
Inventory rating45.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length160 ft (48.8 m)
Longest span60 ft (18.3 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,400 (2022)
Projected traffic5,440 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 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$3.2 million
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2017.

What condition is S.H. 51 over Salt 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 Salt Creek carry?

About 3,400 vehicles per day (2022 count), of which roughly 16% are trucks.

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

The structure is 160 ft (48.8 m) long with a longest span of 60 ft (18.3 m) and a deck 46 ft wide.

Who owns S.H. 51 over Salt Creek?

It is owned by the State Highway Agency.