US Bridges

US 12 WB On-Ramp over Pp&l Canal

Good

Yakima County, Washington · 14.4 E JCT SR 410 · Structure no. 0008709D0000000

Built
1959
66 years old, rebuilt 1972
Condition
Good
inspected February 2024
Type
Culvert
Concrete
Length
32 ft
1 main span
Daily traffic
3,886
2023 count
Owner
State
State Highway Agency

About this bridge

US 12 WB On-Ramp over Pp&l Canal is a concrete culvert carrying US 12 WB On-Ramp over Pp&l Canal in Yakima County, Washington. It was built in 1959 and reconstructed in 1972, 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.

It carries about 3,886 vehicles a day, roughly 8% of them trucks, projected to reach 4,965 by 2039. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 12 WB On-Ramp
CrossesPp&l Canal
Location14.4 E JCT SR 410
RouteState Highway 12
Coordinates46.62258, -120.56469
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating48 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span32 ft (9.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,886 (2023)
Projected traffic4,965 by 2039
Trucks8%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$456,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 12 WB On-Ramp over Pp&l Canal built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1972.

What condition is US 12 WB On-Ramp over Pp&l 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 February 2024.

How much traffic does US 12 WB On-Ramp over Pp&l Canal carry?

About 3,886 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is US 12 WB On-Ramp over Pp&l Canal?

The structure is 32 ft (9.8 m) long with a longest span of 32 ft (9.8 m).

Who owns US 12 WB On-Ramp over Pp&l Canal?

It is owned by the State Highway Agency.