US Bridges

NW 50th St. over Kilpatrick Tp under

Good

Canadian County, Oklahoma · 114.77 · Structure no. 258760000000000

Built
2000
25 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
205 ft
2 main spans
Daily traffic
820
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

NW 50th St. over Kilpatrick Tp under is a prestressed concrete stringer/multi-beam or girder carrying NW 50th St. over Kilpatrick Tp under 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 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 820 vehicles a day, roughly 5% of them trucks, projected to reach 1,312 by 2042. The structure is 205 ft (62.6 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesNW 50th St.
CrossesKilpatrick Tp under
Location114.77
RouteCity Street 0
CountyCanadian County
StateOklahoma
Coordinates35.52232, -97.69763
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94.5 US tons
Inventory rating23.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length205 ft (62.6 m)
Longest span103 ft (31.3 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic820 (2022)
Projected traffic1,312 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was NW 50th St. over Kilpatrick Tp under built?

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

What condition is NW 50th St. over Kilpatrick Tp under 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 St. over Kilpatrick Tp under carry?

About 820 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is NW 50th St. over Kilpatrick Tp under?

The structure is 205 ft (62.6 m) long with a longest span of 103 ft (31.3 m) and a deck 31 ft wide.

Who owns NW 50th St. over Kilpatrick Tp under?

It is owned by the State Toll Authority.