US Bridges

River Road over White Salmon River

Fair

Klickitat County, Washington · 1.8 E JCT SR 141 · Structure no. 083224000000000

Built
1981
44 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
60
2023 count
Owner
County
County Highway Agency

About this bridge

River Road over White Salmon River is a prestressed concrete tee beam carrying River Road over White Salmon River in Klickitat County, Washington. It was built in 1981, so it is 44 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.

It carries about 60 vehicles a day, roughly 33% of them trucks, projected to reach 75 by 2045. The structure is 65 ft (19.8 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRiver Road
CrossesWhite Salmon River
Location1.8 E JCT SR 141
RouteCounty Highway 17040
Coordinates45.9886, -121.4921
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating36.8 US tons
Inventory rating28.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span61 ft (18.7 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2023)
Projected traffic75 by 2045
Trucks33%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$2.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was River Road over White Salmon River built?

It was built in 1981, making it 44 years old in 2025.

What condition is River Road over White Salmon 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 River Road over White Salmon River carry?

About 60 vehicles per day (2023 count), of which roughly 33% are trucks.

How long is River Road over White Salmon River?

The structure is 65 ft (19.8 m) long with a longest span of 61 ft (18.7 m) and a deck 31 ft wide.

Who owns River Road over White Salmon River?

It is owned by the County Highway Agency.