US Bridges

Olmstead Road over Svid Canal

GoodPosted for load

Yakima County, Washington · 0.829 NE Wilson HWY · Structure no. 081277000000000

Built
1959
66 years old
Condition
Good
inspected December 2022
Type
Channel Beam
Concrete
Length
60 ft
3 main spans
Daily traffic
425
2020 count
Owner
County
County Highway Agency

About this bridge

Olmstead Road over Svid Canal is a concrete channel beam carrying Olmstead Road over Svid Canal in Yakima County, Washington. It was built in 1959, so it is 66 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 425 vehicles a day, roughly 5% of them trucks, projected to reach 600 by 2040. The structure is 60 ft (18.3 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesOlmstead Road
CrossesSvid Canal
Location0.829 NE Wilson HWY
RouteCounty Highway 62110
CountyYakima County
StateWashington
Coordinates46.27667, -119.89333
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating29.7 US tons
Inventory rating22.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckOther
Main spans3
Design loadH 20
Structure length60 ft (18.3 m)
Longest span32 ft (9.8 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic425 (2020)
Projected traffic600 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$2.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Olmstead Road over Svid Canal built?

It was built in 1959, making it 66 years old in 2025.

What condition is Olmstead 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 December 2022.

How much traffic does Olmstead Road over Svid Canal carry?

About 425 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Olmstead Road over Svid Canal?

The structure is 60 ft (18.3 m) long with a longest span of 32 ft (9.8 m) and a deck 28 ft wide.

Who owns Olmstead Road over Svid Canal?

It is owned by the County Highway Agency.