US Bridges

Road over Rapid River

Fair

Snohomish County, Washington · 1.2 MI NE of 65/6530 JCT · Structure no. 060506000001341

Built
1966
59 years old, rebuilt 2010
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
71 ft
2 main spans
Daily traffic
8
1995 count
Owner
Federal
U.S. Forest Service

About this bridge

Road over Rapid River is a steel continuous stringer/multi-beam or girder carrying Road over Rapid River in Snohomish County, Washington. It was built in 1966 and reconstructed in 2010, so it is 59 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 8 vehicles a day, projected to reach 12 by 2045. The structure is 71 ft (21.6 m) long and 17 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesRoad
CrossesRapid River
Location1.2 MI NE of 65/6530 JCT
RouteFederal Lands Road 65300
Coordinates47.80759, -121.27285
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.
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 evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.1 US tons
Inventory rating32.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length71 ft (21.6 m)
Longest span59 ft (18.1 m)
Deck width17 ft (5.2 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8 (1995)
Projected traffic12 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Road over Rapid River built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2010.

What condition is Road over Rapid 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 Road over Rapid River carry?

About 8 vehicles per day (1995 count).

How long is Road over Rapid River?

The structure is 71 ft (21.6 m) long with a longest span of 59 ft (18.1 m) and a deck 17 ft wide.

Who owns Road over Rapid River?

It is owned by the U.S. Forest Service.