US Bridges

NW 136th St. over Creek

Poor

Oklahoma County, Oklahoma · .2E of Western · Structure no. 146770000000000

Built
1940
85 years old, rebuilt 1960
Condition
Poor
inspected August 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
20,000
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

NW 136th St. over Creek is a concrete culvert carrying NW 136th St. over Creek in Oklahoma County, Oklahoma. It was built in 1940 and reconstructed in 1960, so it is 85 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 20,000 vehicles a day, roughly 5% of them trucks, projected to reach 32,000 by 2042. The structure is 25 ft (7.6 m) long and 52 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesNW 136th St.
CrossesCreek
Location.2E of Western
RouteCity Street E0970
CountyOklahoma County
StateOklahoma
Coordinates35.60889, -97.52778
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
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 spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width52 ft (15.7 m)
Roadway width50 ft (15.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,000 (2022)
Projected traffic32,000 by 2042
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
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 136th St. over Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1960.

What condition is NW 136th St. over Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does NW 136th St. over Creek carry?

About 20,000 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is NW 136th St. over Creek?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 52 ft wide.

Who owns NW 136th St. over Creek?

It is owned by the City or Municipal Highway Agency.