US Bridges

Swan Road over Snipes Canal

Fair

Yakima County, Washington · 00.01 N Snipes Canl · Structure no. 083539000000000

Built
1957
68 years old
Condition
Fair
inspected February 2023
Type
Channel Beam
Concrete
Length
30 ft
1 main span
Daily traffic
1,250
2023 count
Owner
County
County Highway Agency

About this bridge

Swan Road over Snipes Canal is a concrete channel beam carrying Swan Road over Snipes Canal in Yakima County, Washington. It was built in 1957, so it is 68 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.

It carries about 1,250 vehicles a day, roughly 5% of them trucks, projected to reach 1,870 by 2043. The structure is 30 ft (9.1 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSwan Road
CrossesSnipes Canal
Location00.01 N Snipes Canl
RouteCounty Highway 63070
CountyYakima County
StateWashington
Coordinates46.324, -120.04108
Functional classUrban Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.8 US tons
Inventory rating23.6 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckOther
Main spans1
Design loadH 20
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,250 (2023)
Projected traffic1,870 by 2043
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

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$1.4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Swan Road over Snipes Canal built?

It was built in 1957, making it 68 years old in 2025.

What condition is Swan Road over Snipes 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 February 2023.

How much traffic does Swan Road over Snipes Canal carry?

About 1,250 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Swan Road over Snipes Canal?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 32 ft wide.

Who owns Swan Road over Snipes Canal?

It is owned by the County Highway Agency.