US Bridges

NW 206th St. over Chisholm Creek

Fair

Oklahoma County, Oklahoma · 2.8E SH74 on Covell Rd. · Structure no. 150430000000000

Built
1960
65 years old, rebuilt 2010
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
75 ft
1 main span
Daily traffic
600
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

NW 206th St. over Chisholm Creek is a steel stringer/multi-beam or girder carrying NW 206th St. over Chisholm Creek in Oklahoma County, Oklahoma. It was built in 1960 and reconstructed in 2010, so it is 65 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 600 vehicles a day, roughly 5% of them trucks, projected to reach 960 by 2042. The structure is 75 ft (23 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNW 206th St.
CrossesChisholm Creek
Location2.8E SH74 on Covell Rd.
RouteCity Street 5590C
CountyOklahoma County
StateOklahoma
Coordinates35.68193, -97.53544
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating32.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length75 ft (23 m)
Longest span75 ft (22.9 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2022)
Projected traffic960 by 2042
Trucks5%
Lanes on structure2
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$436,000
NavigationNo navigation control on waterway

Frequently asked questions

When was NW 206th St. over Chisholm Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2010.

What condition is NW 206th 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 April 2024.

How much traffic does NW 206th St. over Chisholm Creek carry?

About 600 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is NW 206th St. over Chisholm Creek?

The structure is 75 ft (23 m) long with a longest span of 75 ft (22.9 m) and a deck 27 ft wide.

Who owns NW 206th St. over Chisholm Creek?

It is owned by the City or Municipal Highway Agency.