US Bridges

Rd. No. 22 over White Chuck River

Good

Snohomish County, Washington · M.P. 0.1 Rd. No. 22 · Structure no. 060502000003325

Built
2008
17 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
240 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Rd. No. 22 over White Chuck River is a steel stringer/multi-beam or girder carrying Rd. No. 22 over White Chuck River in Snohomish County, Washington. It was built in 2008, so it is 17 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 240 ft (73.2 m) long and 20 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesRd. No. 22
CrossesWhite Chuck River
LocationM.P. 0.1 Rd. No. 22
RouteFederal Lands Road 22000
Coordinates48.17183, -121.47119
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 inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating53.9 US tons
Inventory rating41.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length240 ft (73.2 m)
Longest span234 ft (71.2 m)
Deck width20 ft (6 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (—)
Projected traffic75 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 Rd. No. 22 over White Chuck River built?

It was built in 2008, making it 17 years old in 2025.

What condition is Rd. No. 22 over White Chuck 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 October 2023.

How much traffic does Rd. No. 22 over White Chuck River carry?

About 50 vehicles per day (latest count).

How long is Rd. No. 22 over White Chuck River?

The structure is 240 ft (73.2 m) long with a longest span of 234 ft (71.2 m) and a deck 20 ft wide.

Who owns Rd. No. 22 over White Chuck River?

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