US Bridges

Road over Rapid River

Good

Snohomish County, Washington · 0.4 MI E of 65/6530 JCT · Structure no. 060506000001340

Built
1966
59 years old, rebuilt 2010
Condition
Good
inspected June 2023
Type
Frame
Concrete Continuous
Length
106 ft
3 main spans
Daily traffic
8
1995 count
Owner
Federal
U.S. Forest Service

About this bridge

Road over Rapid River is a concrete continuous frame 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 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 8 vehicles a day, projected to reach 12 by 2045. The structure is 106 ft (32.3 m) long and 17 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesRoad
CrossesRapid River
Location0.4 MI E of 65/6530 JCT
RouteFederal Lands Road 65300
Coordinates47.80499, -121.28288
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 protection7 GoodSome minor problems.
Last inspectionJune 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 rating35.1 US tons
Inventory rating24 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length106 ft (32.3 m)
Longest span72 ft (21.9 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 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 June 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 106 ft (32.3 m) long with a longest span of 72 ft (21.9 m) and a deck 17 ft wide.

Who owns Road over Rapid River?

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