US Bridges

Thacker Road over Svid Canal

FairPosted for load

Yakima County, Washington · 00.11 N Gurley Road · Structure no. 079961000000000

Built
1960
65 years old
Condition
Fair
inspected February 2023
Type
Slab
Concrete Continuous
Length
102 ft
3 main spans
Daily traffic
393
2023 count
Owner
County
County Highway Agency

About this bridge

Thacker Road over Svid Canal is a concrete continuous slab carrying Thacker Road over Svid Canal in Yakima County, Washington. It was built in 1960, so it is 65 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 393 vehicles a day, roughly 5% of them trucks, projected to reach 415 by 2043. The structure is 102 ft (31.1 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesThacker Road
CrossesSvid Canal
Location00.11 N Gurley Road
RouteCounty Highway 66590
Coordinates46.37667, -120.185
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be 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 rating22.2 US tons
Inventory rating17.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length102 ft (31.1 m)
Longest span60 ft (18.3 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic393 (2023)
Projected traffic415 by 2043
Trucks5%
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$4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Thacker Road over Svid Canal built?

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

What condition is Thacker Road over Svid 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 Thacker Road over Svid Canal carry?

About 393 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Thacker Road over Svid Canal?

The structure is 102 ft (31.1 m) long with a longest span of 60 ft (18.3 m) and a deck 28 ft wide.

Who owns Thacker Road over Svid Canal?

It is owned by the County Highway Agency.