US Bridges

NW 50th St. over Creek

Fair

Oklahoma County, Oklahoma · .2W of Council · Structure no. 120800000000000

Built
1950
75 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
45 ft
4 main spans
Daily traffic
25
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

NW 50th St. over Creek is a concrete culvert carrying NW 50th St. over Creek in Oklahoma County, Oklahoma. It was built in 1950, so it is 75 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 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 25 vehicles a day, roughly 10% of them trucks, projected to reach 40 by 2042. The structure is 45 ft (13.7 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesNW 50th St.
CrossesCreek
Location.2W of Council
RouteCity Street E1030
CountyOklahoma County
StateOklahoma
Coordinates35.52226, -97.65636
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
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 geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span10 ft (3 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic40 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was NW 50th St. over Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is NW 50th St. over Creek 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 June 2024.

How much traffic does NW 50th St. over Creek carry?

About 25 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is NW 50th St. over Creek?

The structure is 45 ft (13.7 m) long with a longest span of 10 ft (3 m) and a deck 32 ft wide.

Who owns NW 50th St. over Creek?

It is owned by the City or Municipal Highway Agency.