US Bridges

Pioneer Way over Dry Wash

Good

Yakima County, Washington · 0.10 S. Cowiche Mill Rd. · Structure no. 086508000000000

Built
1998
27 years old
Condition
Good
inspected April 2024
Type
Slab
Prestressed Concrete
Length
22 ft
1 main span
Daily traffic
168
2020 count
Owner
County
County Highway Agency

About this bridge

Pioneer Way over Dry Wash is a prestressed concrete slab carrying Pioneer Way over Dry Wash in Yakima County, Washington. It was built in 1998, so it is 27 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 168 vehicles a day, roughly 5% of them trucks, projected to reach 185 by 2040. The structure is 22 ft (6.7 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesPioneer Way
CrossesDry Wash
Location0.10 S. Cowiche Mill Rd.
RouteCounty Highway 24350
Coordinates46.65556, -120.72222
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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.4 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length22 ft (6.7 m)
Longest span21 ft (6.4 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic168 (2020)
Projected traffic185 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
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$1.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Pioneer Way over Dry Wash built?

It was built in 1998, making it 27 years old in 2025.

What condition is Pioneer Way over Dry Wash 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 April 2024.

How much traffic does Pioneer Way over Dry Wash carry?

About 168 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Pioneer Way over Dry Wash?

The structure is 22 ft (6.7 m) long with a longest span of 21 ft (6.4 m) and a deck 32 ft wide.

Who owns Pioneer Way over Dry Wash?

It is owned by the County Highway Agency.