US Bridges

S.H. 50 over N. Canadian River Oflow

Good

Woodward County, Oklahoma · 5.3 MI N JCT US 183 · Structure no. 175090000000000

Built
1969
56 years old, rebuilt 2016
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
160 ft
4 main spans
Daily traffic
490
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 50 over N. Canadian River Oflow is a steel stringer/multi-beam or girder carrying S.H. 50 over N. Canadian River Oflow 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 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 490 vehicles a day, roughly 15% of them trucks, projected to reach 784 by 2042. The structure is 160 ft (48.8 m) long and 32 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesS.H. 50
CrossesN. Canadian River Oflow
Location5.3 MI N JCT US 183
RouteState Highway 50
Coordinates36.38765, -99.22881
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.8 US tons
Inventory rating34 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length160 ft (48.8 m)
Longest span40 ft (12.2 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
CrossesRelief for waterway
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$1.8 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 50 over N. Canadian River Oflow 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 Oflow 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 May 2024.

How much traffic does S.H. 50 over N. Canadian River Oflow carry?

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

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

The structure is 160 ft (48.8 m) long with a longest span of 40 ft (12.2 m) and a deck 32 ft wide.

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

It is owned by the State Highway Agency.