US Bridges

NW 122nd St. over Chisholm Creek

FairPosted for load

Oklahoma County, Oklahoma · .3E of N Penn Ave. · Structure no. 195850000000000

Built
1979
46 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
45 ft
3 main spans
Daily traffic
15,375
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

NW 122nd St. over Chisholm Creek is a concrete culvert carrying NW 122nd St. over Chisholm Creek in Oklahoma County, Oklahoma. It was built in 1979, so it is 46 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 15,375 vehicles a day, roughly 7% of them trucks, projected to reach 24,600 by 2042. The structure is 45 ft (13.7 m) long and 62 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesNW 122nd St.
CrossesChisholm Creek
Location.3E of N Penn Ave.
RouteCity Street E0980
CountyOklahoma County
StateOklahoma
Coordinates35.59454, -97.54322
Functional classUrban Minor Arterial

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating31.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length45 ft (13.7 m)
Longest span17 ft (5.2 m)
Deck width62 ft (19 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,375 (2022)
Projected traffic24,600 by 2042
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 122nd St. over Chisholm Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is NW 122nd St. over Chisholm 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 September 2023.

How much traffic does NW 122nd St. over Chisholm Creek carry?

About 15,375 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is NW 122nd St. over Chisholm Creek?

The structure is 45 ft (13.7 m) long with a longest span of 17 ft (5.2 m) and a deck 62 ft wide.

Who owns NW 122nd St. over Chisholm Creek?

It is owned by the City or Municipal Highway Agency.