US Bridges

U.S. 412 over N. Canadian River

Fair

Woodward County, Oklahoma · 6.2 E JCT US 183 · Structure no. 236370000000000

Built
1992
33 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
873 ft
9 main spans
Daily traffic
2,950
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 412 over N. Canadian River is a prestressed concrete stringer/multi-beam or girder carrying U.S. 412 over N. Canadian River in Woodward County, Oklahoma. It was built in 1992, so it is 33 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,950 vehicles a day, roughly 25% of them trucks, projected to reach 4,720 by 2042. The structure is 873 ft (266.1 m) long and 40 ft wide.

Location

Open in Google Maps
CarriesU.S. 412
CrossesN. Canadian River
Location6.2 E JCT US 183
RouteU.S. Route 412
CountyWoodward County
StateOklahoma
Coordinates36.43663, -99.27987
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.4 US tons
Inventory rating31.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length873 ft (266.1 m)
Longest span100 ft (30.5 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,950 (2022)
Projected traffic4,720 by 2042
Trucks25%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

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$5.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was U.S. 412 over N. Canadian River built?

It was built in 1992, making it 33 years old in 2025.

What condition is U.S. 412 over N. Canadian River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.

How much traffic does U.S. 412 over N. Canadian River carry?

About 2,950 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is U.S. 412 over N. Canadian River?

The structure is 873 ft (266.1 m) long with a longest span of 100 ft (30.5 m) and a deck 40 ft wide.

Who owns U.S. 412 over N. Canadian River?

It is owned by the State Highway Agency.