US Bridges

Cooke Canyon Road over Hiline Canal

Good

Kittitas County, Washington · 0.24 N Brickmill RD · Structure no. 089504000000000

Built
2024
1 years old
Condition
Good
inspected June 2024
Type
Slab
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
235
2023 count
Owner
County
County Highway Agency

About this bridge

Cooke Canyon Road over Hiline Canal is a prestressed concrete slab carrying Cooke Canyon Road over Hiline Canal in Kittitas County, Washington. It was built in 2024, so it is 1 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 235 vehicles a day, projected to reach 264 by 2043. The structure is 53 ft (16.2 m) long and 44 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCooke Canyon Road
CrossesHiline Canal
Location0.24 N Brickmill RD
RouteCounty Highway 43883
CountyKittitas County
StateWashington
Coordinates47.04918, -120.38587
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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.2 US tons
Inventory rating54.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length53 ft (16.2 m)
Longest span51 ft (15.5 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic235 (2023)
Projected traffic264 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cooke Canyon Road over Hiline Canal built?

It was built in 2024, making it 1 years old in 2025.

What condition is Cooke Canyon Road over Hiline Canal 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 June 2024.

How much traffic does Cooke Canyon Road over Hiline Canal carry?

About 235 vehicles per day (2023 count).

How long is Cooke Canyon Road over Hiline Canal?

The structure is 53 ft (16.2 m) long with a longest span of 51 ft (15.5 m) and a deck 44 ft wide.

Who owns Cooke Canyon Road over Hiline Canal?

It is owned by the County Highway Agency.