US Bridges

Menzel Lake Rd. over Pilchuck River

Fair

Snohomish County, Washington · 6.0 SE JCT SR 92 · Structure no. 080998000000000

Built
1956
69 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
138 ft
1 main span
Daily traffic
1,076
2021 count
Owner
County
County Highway Agency

About this bridge

Menzel Lake Rd. over Pilchuck River is a steel stringer/multi-beam or girder carrying Menzel Lake Rd. over Pilchuck River in Snohomish County, Washington. It was built in 1956, so it is 69 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 1,076 vehicles a day, roughly 17% of them trucks, projected to reach 2,000 by 2044. The structure is 138 ft (42 m) long and 28 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

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CarriesMenzel Lake Rd.
CrossesPilchuck River
Location6.0 SE JCT SR 92
RouteCounty Highway 94766
CountySnohomish County
StateWashington
Coordinates48.01866, -121.91522
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadH 15
Structure length138 ft (42 m)
Longest span90 ft (27.4 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,076 (2021)
Projected traffic2,000 by 2044
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$5.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Menzel Lake Rd. over Pilchuck River built?

It was built in 1956, making it 69 years old in 2025.

What condition is Menzel Lake Rd. over Pilchuck 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 May 2024.

How much traffic does Menzel Lake Rd. over Pilchuck River carry?

About 1,076 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is Menzel Lake Rd. over Pilchuck River?

The structure is 138 ft (42 m) long with a longest span of 90 ft (27.4 m) and a deck 28 ft wide.

Who owns Menzel Lake Rd. over Pilchuck River?

It is owned by the County Highway Agency.