US Bridges

NW 50th over Creek

Good

Canadian County, Oklahoma · 114.79 · Structure no. 258970000000000

Built
2000
25 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
22,700
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

NW 50th over Creek is a concrete culvert carrying NW 50th over Creek in Canadian County, Oklahoma. It was built in 2000, so it is 25 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 22,700 vehicles a day, roughly 7% of them trucks, projected to reach 36,320 by 2042. The structure is 32 ft (9.8 m) long and 175 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNW 50th
CrossesCreek
Location114.79
RouteCity Street 240
Coordinates35.52207, -97.69856
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width175 ft (53.3 m)
Roadway width173 ft (52.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,700 (2022)
Projected traffic36,320 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$360,000
NavigationNo navigation control on waterway

Frequently asked questions

When was NW 50th over Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is NW 50th over 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 March 2023.

How much traffic does NW 50th over Creek carry?

About 22,700 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is NW 50th over Creek?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 175 ft wide.

Who owns NW 50th over Creek?

It is owned by the State Toll Authority.