US Bridges

Rialto Beach Road over Dickey River

Fair

Clallam County, Washington · From Hwy. 101 7.8 Mi. We · Structure no. 9500008P0000000

Built
1979
46 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
224 ft
3 main spans
Daily traffic
454
2011 count
Owner
Federal
National Park Service

About this bridge

Rialto Beach Road over Dickey River is a concrete continuous box beam or girders - single or spread carrying Rialto Beach Road over Dickey River in Clallam 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 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 454 vehicles a day, roughly 1% of them trucks, projected to reach 545 by 2031. The structure is 224 ft (68.3 m) long and 31 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesRialto Beach Road
CrossesDickey River
LocationFrom Hwy. 101 7.8 Mi. We
RouteFederal Lands Road 115
CountyClallam County
StateWashington
Coordinates47.9215, -124.61944
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating66 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length224 ft (68.3 m)
Longest span88 ft (26.8 m)
Deck width31 ft (9.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic454 (2011)
Projected traffic545 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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$190,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Rialto Beach Road over Dickey River built?

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

What condition is Rialto Beach Road over Dickey 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 Rialto Beach Road over Dickey River carry?

About 454 vehicles per day (2011 count), of which roughly 1% are trucks.

How long is Rialto Beach Road over Dickey River?

The structure is 224 ft (68.3 m) long with a longest span of 88 ft (26.8 m) and a deck 31 ft wide.

Who owns Rialto Beach Road over Dickey River?

It is owned by the National Park Service.