US Bridges

Schnebly Road over Hiline Canal

FairPosted for load

Kittitas County, Washington · 00.02 N Rader RD · Structure no. 081233000000000

Built
1955
70 years old, rebuilt 1976
Condition
Fair
inspected October 2024
Type
Channel Beam
Concrete Continuous
Length
48 ft
1 main span
Daily traffic
103
2023 count
Owner
County
County Highway Agency

About this bridge

Schnebly Road over Hiline Canal is a concrete continuous channel beam carrying Schnebly Road over Hiline Canal in Kittitas County, Washington. It was built in 1955 and reconstructed in 1976, so it is 70 years old, older than the Washington average of 49.8 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. Its operating status is: posted for load restriction.

It carries about 103 vehicles a day, roughly 36% of them trucks, projected to reach 272 by 2043. The structure is 48 ft (14.6 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSchnebly Road
CrossesHiline Canal
Location00.02 N Rader RD
RouteCounty Highway 43163
Coordinates47.06038, -120.41823
Functional classRural 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23 US tons
Inventory rating17 US tons

Structure

Structure typeChannel Beam
MaterialConcrete Continuous
DeckOther
Main spans1
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span46 ft (14 m)
Deck width30 ft (9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic103 (2023)
Projected traffic272 by 2043
Trucks36%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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$2.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Schnebly Road over Hiline Canal built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1976.

What condition is Schnebly Road over Hiline Canal 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 October 2024.

How much traffic does Schnebly Road over Hiline Canal carry?

About 103 vehicles per day (2023 count), of which roughly 36% are trucks.

How long is Schnebly Road over Hiline Canal?

The structure is 48 ft (14.6 m) long with a longest span of 46 ft (14 m) and a deck 30 ft wide.

Who owns Schnebly Road over Hiline Canal?

It is owned by the County Highway Agency.