US Bridges

Private Access RD over Whipple Wasteway

Good

Kittitas County, Washington · 20.8 N Yakima CO · Structure no. 0008672D0000000

Built
1969
56 years old
Condition
Good
inspected February 2023
Type
Slab
Concrete Continuous
Length
160 ft
5 main spans
Daily traffic
27
2012 count
Owner
State
State Highway Agency

About this bridge

Private Access RD over Whipple Wasteway is a concrete continuous slab carrying Private Access RD over Whipple Wasteway in Kittitas County, Washington. It was built in 1969, so it is 56 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.

It carries about 27 vehicles a day, projected to reach 30 by 2033. The structure is 160 ft (48.8 m) long and 24 ft wide. If it were closed, the detour would be 52.2 mi (84 km).

CarriesPrivate Access RD
CrossesWhipple Wasteway
Location20.8 N Yakima CO
Coordinates46.92569, -120.50042
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 alignment6: Equal to present minimum criteria
Operating rating62.9 US tons
Inventory rating38 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length160 ft (48.8 m)
Longest span35 ft (10.7 m)
Deck width24 ft (7.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27 (2012)
Projected traffic30 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed52.2 mi (84 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Private Access RD over Whipple Wasteway built?

It was built in 1969, making it 56 years old in 2025.

What condition is Private Access RD over Whipple Wasteway 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 Private Access RD over Whipple Wasteway carry?

About 27 vehicles per day (2012 count).

How long is Private Access RD over Whipple Wasteway?

The structure is 160 ft (48.8 m) long with a longest span of 35 ft (10.7 m) and a deck 24 ft wide.

Who owns Private Access RD over Whipple Wasteway?

It is owned by the State Highway Agency.