US Bridges

Hurricane Ridge Ro over Ravine

Fair

Clallam County, Washington · 10.02 Mi. S. of Jct. Hwy. · Structure no. 9500029P0000000

Built
1955
70 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete
Length
150 ft
2 main spans
Daily traffic
610
2023 count
Owner
Federal
National Park Service

About this bridge

Hurricane Ridge Ro over Ravine is a concrete tee beam carrying Hurricane Ridge Ro over Ravine in Clallam County, Washington. It was built in 1955, so it is 70 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 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 610 vehicles a day, roughly 5% of them trucks, projected to reach 671 by 2043. The structure is 150 ft (45.7 m) long and 30 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesHurricane Ridge Ro
CrossesRavine
Location10.02 Mi. S. of Jct. Hwy.
RouteFederal Lands Road 10
CountyClallam County
StateWashington
Coordinates48.00742, -123.37658
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating24 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length150 ft (45.7 m)
Longest span59 ft (18 m)
Deck width30 ft (9.2 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic610 (2023)
Projected traffic671 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
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 Hurricane Ridge Ro over Ravine built?

It was built in 1955, making it 70 years old in 2025.

What condition is Hurricane Ridge Ro over Ravine 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 Hurricane Ridge Ro over Ravine carry?

About 610 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Hurricane Ridge Ro over Ravine?

The structure is 150 ft (45.7 m) long with a longest span of 59 ft (18 m) and a deck 30 ft wide.

Who owns Hurricane Ridge Ro over Ravine?

It is owned by the National Park Service.