US Bridges

White Road over Svid Canal

Good

Yakima County, Washington · 00.09 S of Darby RD · Structure no. 087045000000000

Built
2003
22 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
145 ft
1 main span
Daily traffic
660
2019 count
Owner
County
County Highway Agency

About this bridge

White Road over Svid Canal is a prestressed concrete stringer/multi-beam or girder carrying White Road over Svid Canal in Yakima County, Washington. It was built in 2003, so it is 22 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 660 vehicles a day, roughly 5% of them trucks, projected to reach 1,070 by 2039. The structure is 145 ft (44.2 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWhite Road
CrossesSvid Canal
Location00.09 S of Darby RD
RouteCounty Highway 68150
Coordinates46.43862, -120.30893
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 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.3 US tons
Inventory rating24.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length145 ft (44.2 m)
Longest span140 ft (42.7 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic660 (2019)
Projected traffic1,070 by 2039
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$5.6 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was White Road over Svid Canal built?

It was built in 2003, making it 22 years old in 2025.

What condition is White Road over Svid 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 February 2023.

How much traffic does White Road over Svid Canal carry?

About 660 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is White Road over Svid Canal?

The structure is 145 ft (44.2 m) long with a longest span of 140 ft (42.7 m) and a deck 32 ft wide.

Who owns White Road over Svid Canal?

It is owned by the County Highway Agency.