US Bridges

Touchet North RD over Touchet River

FairPosted for load

Walla Walla County, Washington · 12.051N SR 12 · Structure no. 081337000000000

Built
1983
42 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
197 ft
2 main spans
Daily traffic
95
2020 count
Owner
County
County Highway Agency

About this bridge

Touchet North RD over Touchet River is a prestressed concrete continuous stringer/multi-beam or girder carrying Touchet North RD over Touchet River in Walla Walla County, Washington. It was built in 1983, so it is 42 years old, younger than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 95 vehicles a day, roughly 11% of them trucks, projected to reach 144 by 2040. The structure is 197 ft (60 m) long and 35 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesTouchet North RD
CrossesTouchet River
Location12.051N SR 12
RouteCounty Highway 93370
Coordinates46.18047, -118.63856
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating14.7 US tons
Inventory rating11.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length197 ft (60 m)
Longest span95 ft (29 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic95 (2020)
Projected traffic144 by 2040
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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$7.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Touchet North RD over Touchet River built?

It was built in 1983, making it 42 years old in 2025.

What condition is Touchet North RD over Touchet River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

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

About 95 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is Touchet North RD over Touchet River?

The structure is 197 ft (60 m) long with a longest span of 95 ft (29 m) and a deck 35 ft wide.

Who owns Touchet North RD over Touchet River?

It is owned by the County Highway Agency.