US Bridges

Hart RD over Touchet River

Fair

Walla Walla County, Washington · 08.39N Lw Waitsburg · Structure no. 080073000000000

Built
1965
60 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Concrete
Length
140 ft
2 main spans
Daily traffic
190
2024 count
Owner
County
County Highway Agency

About this bridge

Hart RD over Touchet River is a concrete tee beam carrying Hart RD over Touchet River in Walla Walla County, Washington. It was built in 1965, so it is 60 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 190 vehicles a day, roughly 24% of them trucks, projected to reach 230 by 2046. The structure is 140 ft (42.7 m) long and 31 ft wide. If it were closed, the detour would be 29.2 mi (47 km).

Location

Open in Google Maps
CarriesHart RD
CrossesTouchet River
Location08.39N Lw Waitsburg
RouteCounty Highway 96650
CountyWalla Walla County
StateWashington
Coordinates46.29326, -118.29375
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.1 US tons
Inventory rating31.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length140 ft (42.7 m)
Longest span64 ft (19.5 m)
Deck width31 ft (9.4 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic190 (2024)
Projected traffic230 by 2046
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.2 mi (47 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$5.4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Hart RD over Touchet River built?

It was built in 1965, making it 60 years old in 2025.

What condition is Hart 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 2024.

How much traffic does Hart RD over Touchet River carry?

About 190 vehicles per day (2024 count), of which roughly 24% are trucks.

How long is Hart RD over Touchet River?

The structure is 140 ft (42.7 m) long with a longest span of 64 ft (19.5 m) and a deck 31 ft wide.

Who owns Hart RD over Touchet River?

It is owned by the County Highway Agency.