US Bridges

SR 141 over White Salmon R

Fair

Klickitat County, Washington · 4.0 N JCT SR 141 Spur · Structure no. 0002565A0000000

Built
1940
85 years old
Condition
Fair
inspected July 2024
Type
Truss - Thru
Steel
Length
188 ft
1 main span
Daily traffic
3,250
2023 count
Owner
State
State Highway Agency

About this bridge

SR 141 over White Salmon R is a steel truss - thru carrying SR 141 over White Salmon R in Klickitat County, Washington. It was built in 1940, so it is 85 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 3,250 vehicles a day, roughly 11% of them trucks, projected to reach 3,728 by 2039. The structure is 188 ft (57.3 m) long and 32 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesSR 141
CrossesWhite Salmon R
Location4.0 N JCT SR 141 Spur
RouteState Highway 141
CountyKlickitat County
StateWashington
Coordinates45.79891, -121.48556
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating25 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadH 15
Structure length188 ft (57.3 m)
Longest span120 ft (36.6 m)
Deck width32 ft (9.8 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,250 (2023)
Projected traffic3,728 by 2039
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.9 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 141 over White Salmon R built?

It was built in 1940, making it 85 years old in 2025.

What condition is SR 141 over White Salmon R 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 July 2024.

How much traffic does SR 141 over White Salmon R carry?

About 3,250 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 141 over White Salmon R?

The structure is 188 ft (57.3 m) long with a longest span of 120 ft (36.6 m) and a deck 32 ft wide.

Who owns SR 141 over White Salmon R?

It is owned by the State Highway Agency.