US Bridges

Sol Duc Group Camp over Unnamed Tributary to Sol

Good

Clallam County, Washington · 11.5 Mi. S of Jct. Hwy. 1 · Structure no. 9500063P0000000

Built
2016
9 years old
Condition
Good
inspected August 2023
Type
Slab
Prestressed Concrete
Length
48 ft
1 main span
Daily traffic
25
2016 count
Owner
Federal
National Park Service

About this bridge

Sol Duc Group Camp over Unnamed Tributary to Sol is a prestressed concrete slab carrying Sol Duc Group Camp over Unnamed Tributary to Sol in Clallam County, Washington. It was built in 2016, so it is 9 years old, younger than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 25 vehicles a day, projected to reach 30 by 2036. The structure is 48 ft (14.6 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSol Duc Group Camp
CrossesUnnamed Tributary to Sol
Location11.5 Mi. S of Jct. Hwy. 1
RouteFederal Lands Road 0
Coordinates47.9732, -123.87308
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length48 ft (14.6 m)
Longest span40 ft (12.2 m)
Deck width16 ft (4.8 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2016)
Projected traffic30 by 2036
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sol Duc Group Camp over Unnamed Tributary to Sol built?

It was built in 2016, making it 9 years old in 2025.

What condition is Sol Duc Group Camp over Unnamed Tributary to Sol in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does Sol Duc Group Camp over Unnamed Tributary to Sol carry?

About 25 vehicles per day (2016 count).

How long is Sol Duc Group Camp over Unnamed Tributary to Sol?

The structure is 48 ft (14.6 m) long with a longest span of 40 ft (12.2 m) and a deck 16 ft wide.

Who owns Sol Duc Group Camp over Unnamed Tributary to Sol?

It is owned by the National Park Service.