US Bridges

US 12 over Touchet North RD

Good

Walla Walla County, Washington · 12.0 E JCT US 730 Spur · Structure no. 0019406E0000000

Built
2022
3 years old
Condition
Good
inspected July 2023
Type
Slab
Prestressed Concrete
Length
63 ft
1 main span
Daily traffic
3,740
2023 count
Owner
State
State Highway Agency

About this bridge

US 12 over Touchet North RD is a prestressed concrete slab carrying US 12 over Touchet North RD in Walla Walla County, Washington. It was built in 2022, so it is 3 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 3,740 vehicles a day, roughly 13% of them trucks. The structure is 63 ft (19.1 m) long and 81 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 12
CrossesTouchet North RD
Location12.0 E JCT US 730 Spur
RouteU.S. Route 12
Coordinates46.05439, -118.66908
Functional classRural Principal Arterial - Other

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.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.9 US tons
Inventory rating72.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length63 ft (19.1 m)
Longest span51 ft (15.4 m)
Deck width81 ft (24.7 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,740 (2023)
Projected traffic—
Trucks13%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 12 over Touchet North RD built?

It was built in 2022, making it 3 years old in 2025.

What condition is US 12 over Touchet North RD 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 July 2023.

How much traffic does US 12 over Touchet North RD carry?

About 3,740 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is US 12 over Touchet North RD?

The structure is 63 ft (19.1 m) long with a longest span of 51 ft (15.4 m) and a deck 81 ft wide.

Who owns US 12 over Touchet North RD?

It is owned by the State Highway Agency.