US Bridges

NW 113th St. over Walnut Creek

Fair

Oklahoma County, Oklahoma · 2 Blks W of N Council RD · Structure no. 201360000000000

Built
1982
43 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
45 ft
4 main spans
Daily traffic
500
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

NW 113th St. over Walnut Creek is a concrete culvert carrying NW 113th St. over Walnut Creek in Oklahoma County, Oklahoma. It was built in 1982, so it is 43 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.

It carries about 500 vehicles a day, roughly 5% of them trucks, projected to reach 800 by 2042. The structure is 45 ft (13.8 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesNW 113th St.
CrossesWalnut Creek
Location2 Blks W of N Council RD
RouteCity Street E0985
CountyOklahoma County
StateOklahoma
Coordinates35.58695, -97.65807
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length45 ft (13.8 m)
Longest span10 ft (3.2 m)
Deck width47 ft (14.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2022)
Projected traffic800 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 113th St. over Walnut Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is NW 113th St. over Walnut 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 113th St. over Walnut Creek carry?

About 500 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is NW 113th St. over Walnut Creek?

The structure is 45 ft (13.8 m) long with a longest span of 10 ft (3.2 m) and a deck 47 ft wide.

Who owns NW 113th St. over Walnut Creek?

It is owned by the City or Municipal Highway Agency.