US Bridges

Konnowac Pass RD over Svid Canal

Good

Yakima County, Washington · 0.25 MI S of E Parker Hts · Structure no. 087044000000000

Built
2003
22 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
91 ft
1 main span
Daily traffic
2,465
2021 count
Owner
County
County Highway Agency

About this bridge

Konnowac Pass RD over Svid Canal is a prestressed concrete stringer/multi-beam or girder carrying Konnowac Pass RD 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 2,465 vehicles a day, roughly 10% of them trucks, projected to reach 2,960 by 2041. The structure is 91 ft (27.7 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesKonnowac Pass RD
CrossesSvid Canal
Location0.25 MI S of E Parker Hts
RouteCounty Highway 40020
Coordinates46.47628, -120.375
Functional classRural Major Collector

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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
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 rating16.1 US tons
Inventory rating6.1 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length91 ft (27.7 m)
Longest span88 ft (26.8 m)
Deck width36 ft (11 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,465 (2021)
Projected traffic2,960 by 2041
Trucks10%
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$3.6 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Konnowac Pass RD over Svid Canal built?

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

What condition is Konnowac Pass RD 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 March 2023.

How much traffic does Konnowac Pass RD over Svid Canal carry?

About 2,465 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Konnowac Pass RD over Svid Canal?

The structure is 91 ft (27.7 m) long with a longest span of 88 ft (26.8 m) and a deck 36 ft wide.

Who owns Konnowac Pass RD over Svid Canal?

It is owned by the County Highway Agency.