US Bridges

Cooke Canyon Road over Cooke Creek

Good

Kittitas County, Washington · 2.54 NE of Gage Road · Structure no. 088328000000000

Built
2011
14 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
50 ft
1 main span
Daily traffic
83
2019 count
Owner
County
County Highway Agency

About this bridge

Cooke Canyon Road over Cooke Creek is a steel continuous stringer/multi-beam or girder carrying Cooke Canyon Road over Cooke Creek in Kittitas County, Washington. It was built in 2011, so it is 14 years old, younger than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 83 vehicles a day, roughly 11% of them trucks, projected to reach 220 by 2039. The structure is 50 ft (15.2 m) long and 18 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesCooke Canyon Road
CrossesCooke Creek
Location2.54 NE of Gage Road
RouteCounty Highway 43883
Coordinates47.10378, -120.37572
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41.1 US tons
Inventory rating31.4 US tons

Structure

MaterialSteel Continuous
DeckSteel plate
Main spans1
Design loadHL 93
Structure length50 ft (15.2 m)
Longest span48 ft (14.6 m)
Deck width18 ft (5.5 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic83 (2019)
Projected traffic220 by 2039
Trucks11%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed29.8 mi (48 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Cooke Canyon Road over Cooke Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is Cooke Canyon Road over Cooke Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does Cooke Canyon Road over Cooke Creek carry?

About 83 vehicles per day (2019 count), of which roughly 11% are trucks.

How long is Cooke Canyon Road over Cooke Creek?

The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.6 m) and a deck 18 ft wide.

Who owns Cooke Canyon Road over Cooke Creek?

It is owned by the County Highway Agency.