US Bridges

Lower Queets Valle over Salmon River

Fair

Jefferson County, Washington · 1.4 Mi. S. of Jct. Hwy. 1 · Structure no. 9500009P0000000

Built
1979
46 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
162 ft
3 main spans
Daily traffic
75
2011 count
Owner
Federal
National Park Service

About this bridge

Lower Queets Valle over Salmon River is a concrete continuous box beam or girders - single or spread carrying Lower Queets Valle over Salmon River in Jefferson County, Washington. It was built in 1979, so it is 46 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 75 vehicles a day, roughly 1% of them trucks, projected to reach 150 by 2031. The structure is 162 ft (49.3 m) long and 23 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesLower Queets Valle
CrossesSalmon River
Location1.4 Mi. S. of Jct. Hwy. 1
RouteFederal Lands Road 106
Coordinates47.55297, -124.21572
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.9 US tons
Inventory rating37 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length162 ft (49.3 m)
Longest span102 ft (31 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2011)
Projected traffic150 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNational Park Service
Maintained byNational Park Service
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$45,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Lower Queets Valle over Salmon River built?

It was built in 1979, making it 46 years old in 2025.

What condition is Lower Queets Valle over 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 August 2023.

How much traffic does Lower Queets Valle over Salmon River carry?

About 75 vehicles per day (2011 count), of which roughly 1% are trucks.

How long is Lower Queets Valle over Salmon River?

The structure is 162 ft (49.3 m) long with a longest span of 102 ft (31 m) and a deck 23 ft wide.

Who owns Lower Queets Valle over Salmon River?

It is owned by the National Park Service.