US Bridges

Touchet North RD over Touchet River

Good

Walla Walla County, Washington · 6.160 N Old HWY 12 · Structure no. 087586000000000

Built
2007
18 years old
Condition
Good
inspected September 2023
Type
Tee Beam
Prestressed Concrete
Length
146 ft
1 main span
Daily traffic
215
2020 count
Owner
County
County Highway Agency

About this bridge

Touchet North RD over Touchet River is a prestressed concrete tee beam carrying Touchet North RD over Touchet River in Walla Walla County, Washington. It was built in 2007, so it is 18 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 215 vehicles a day, roughly 10% of them trucks, projected to reach 380 by 2040. The structure is 146 ft (44.4 m) long and 34 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesTouchet North RD
CrossesTouchet River
Location6.160 N Old HWY 12
RouteCounty Highway 93370
Coordinates46.12261, -118.65
Functional classRural Major Collector

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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating32.2 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length146 ft (44.4 m)
Longest span140 ft (42.7 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic215 (2020)
Projected traffic380 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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$5.6 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Touchet North RD over Touchet River built?

It was built in 2007, making it 18 years old in 2025.

What condition is Touchet North RD over Touchet River 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 September 2023.

How much traffic does Touchet North RD over Touchet River carry?

About 215 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Touchet North RD over Touchet River?

The structure is 146 ft (44.4 m) long with a longest span of 140 ft (42.7 m) and a deck 34 ft wide.

Who owns Touchet North RD over Touchet River?

It is owned by the County Highway Agency.