US Bridges

S.H. 50 over N. Canadian River

Fair

Woodward County, Oklahoma · 5.4 MI N JCT US 183 · Structure no. 176020000000000

Built
1969
56 years old, rebuilt 2016
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
803 ft
8 main spans
Daily traffic
490
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 50 over N. Canadian River is a steel stringer/multi-beam or girder carrying S.H. 50 over N. Canadian River in Woodward County, Oklahoma. It was built in 1969 and reconstructed in 2016, so it is 56 years old, older 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 5 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 490 vehicles a day, roughly 15% of them trucks, projected to reach 784 by 2042. The structure is 803 ft (244.8 m) long and 32 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesS.H. 50
CrossesN. Canadian River
Location5.4 MI N JCT US 183
RouteState Highway 50
CountyWoodward County
StateOklahoma
Coordinates36.38898, -99.22877
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.2 US tons
Inventory rating31.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans8
Design loadH 20
Structure length803 ft (244.8 m)
Longest span100 ft (30.5 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic490 (2022)
Projected traffic784 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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$4.8 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 50 over N. Canadian River built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2016.

What condition is S.H. 50 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 S.H. 50 over N. Canadian River carry?

About 490 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 50 over N. Canadian River?

The structure is 803 ft (244.8 m) long with a longest span of 100 ft (30.5 m) and a deck 32 ft wide.

Who owns S.H. 50 over N. Canadian River?

It is owned by the State Highway Agency.