US Bridges

Pumphouse Rd. over Canal - Highline Pump

Good

Yakima County, Washington · 00.26 E Tecumseh RD · Structure no. 084108000000000

Built
1990
35 years old
Condition
Good
inspected December 2022
Type
Slab
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
65
2020 count
Owner
County
County Highway Agency

About this bridge

Pumphouse Rd. over Canal - Highline Pump is a prestressed concrete slab carrying Pumphouse Rd. over Canal - Highline Pump in Yakima County, Washington. It was built in 1990, so it is 35 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 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 65 vehicles a day, roughly 5% of them trucks, projected to reach 50 by 2040. The structure is 28 ft (8.5 m) long and 32 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesPumphouse Rd.
CrossesCanal - Highline Pump
Location00.26 E Tecumseh RD
RouteCounty Highway 50720
Coordinates46.31711, -120.62206
Functional classRural Minor Collector

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 statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.5 US tons
Inventory rating26.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span27 ft (8.2 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65 (2020)
Projected traffic50 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$1.4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Pumphouse Rd. over Canal - Highline Pump built?

It was built in 1990, making it 35 years old in 2025.

What condition is Pumphouse Rd. over Canal - Highline Pump 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 Pumphouse Rd. over Canal - Highline Pump carry?

About 65 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Pumphouse Rd. over Canal - Highline Pump?

The structure is 28 ft (8.5 m) long with a longest span of 27 ft (8.2 m) and a deck 32 ft wide.

Who owns Pumphouse Rd. over Canal - Highline Pump?

It is owned by the County Highway Agency.