US Bridges

S.H. 51 over N. Canadian River

Good

Blaine County, Oklahoma · 3.1 E Dewey C/L · Structure no. 314180000000000

Built
2019
6 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
100 ft
5 main spans
Daily traffic
2,400
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 51 over N. Canadian River is a prestressed concrete stringer/multi-beam or girder carrying S.H. 51 over N. Canadian River in Blaine County, Oklahoma. It was built in 2019, so it is 6 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 2,400 vehicles a day, roughly 26% of them trucks, projected to reach 3,500 by 2042. The structure is 100 ft (30.5 m) long and 42 ft wide.

CarriesS.H. 51
CrossesN. Canadian River
Location3.1 E Dewey C/L
RouteState Highway 51
Coordinates36.05389, -98.58278
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.4 US tons
Inventory rating40.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length100 ft (30.5 m)
Longest span100 ft (30.5 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deck0 ft (0 m)

Traffic and service

Average daily traffic2,400 (2022)
Projected traffic3,500 by 2042
Trucks26%
Lanes on structure2
Traffic directionTwo-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 over N. Canadian River built?

It was built in 2019, making it 6 years old in 2025.

What condition is S.H. 51 over N. Canadian River 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 February 2024.

How much traffic does S.H. 51 over N. Canadian River carry?

About 2,400 vehicles per day (2022 count), of which roughly 26% are trucks.

How long is S.H. 51 over N. Canadian River?

The structure is 100 ft (30.5 m) long with a longest span of 100 ft (30.5 m) and a deck 42 ft wide.

Who owns S.H. 51 over N. Canadian River?

It is owned by the State Highway Agency.