US Bridges

S.H.. 51 E.B. over Unnamed Creek

Good

Payne County, Oklahoma · 5.6 E of Logan Co. · Structure no. 309780000000000

Built
2023
2 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
140 ft
3 main spans
Daily traffic
4,850
2022 count
Owner
State
State Highway Agency

About this bridge

S.H.. 51 E.B. over Unnamed Creek is a prestressed concrete stringer/multi-beam or girder carrying S.H.. 51 E.B. over Unnamed Creek in Payne County, Oklahoma. It was built in 2023, so it is 2 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,850 vehicles a day, projected to reach 7,760 by 2042. The structure is 140 ft (42.8 m) long and 40 ft wide.

CarriesS.H.. 51 E.B.
CrossesUnnamed Creek
Location5.6 E of Logan Co.
RouteState Highway 51
Coordinates36.10944, -97.25639
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
Deck9 ExcellentNo problems noted.
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.2 US tons
Inventory rating61.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length140 ft (42.8 m)
Longest span45 ft (13.7 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,850 (2022)
Projected traffic7,760 by 2042
Trucks—
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H.. 51 E.B. over Unnamed Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is S.H.. 51 E.B. over Unnamed 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 E.B. over Unnamed Creek carry?

About 4,850 vehicles per day (2022 count).

How long is S.H.. 51 E.B. over Unnamed Creek?

The structure is 140 ft (42.8 m) long with a longest span of 45 ft (13.7 m) and a deck 40 ft wide.

Who owns S.H.. 51 E.B. over Unnamed Creek?

It is owned by the State Highway Agency.