US Bridges

South Touchet RD over South Touchet River

FairPosted for load

Columbia County, Washington · 2.7 S JCT 9115 · Structure no. 082076000000000

Built
1984
41 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
96 ft
1 main span
Daily traffic
225
2020 count
Owner
County
County Highway Agency

About this bridge

South Touchet RD over South Touchet River is a prestressed concrete tee beam carrying South Touchet RD over South Touchet River in Columbia County, Washington. It was built in 1984, so it is 41 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 5 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 225 vehicles a day, roughly 15% of them trucks, projected to reach 450 by 2042. The structure is 96 ft (29.3 m) long and 31 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSouth Touchet RD
CrossesSouth Touchet River
Location2.7 S JCT 9115
RouteCounty Highway 13250
Coordinates46.26308, -117.93986
Functional classRural Minor 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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31 US tons
Inventory rating23 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length96 ft (29.3 m)
Longest span95 ft (29 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2020)
Projected traffic450 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was South Touchet RD over South Touchet River built?

It was built in 1984, making it 41 years old in 2025.

What condition is South Touchet RD over South 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 October 2024.

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

About 225 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is South Touchet RD over South Touchet River?

The structure is 96 ft (29.3 m) long with a longest span of 95 ft (29 m) and a deck 31 ft wide.

Who owns South Touchet RD over South Touchet River?

It is owned by the County Highway Agency.