US Bridges

Lowell-Larimer RD over Cattle Pass

PoorPosted for load

Snohomish County, Washington · 2.4 NW JCT SR 9 · Structure no. 083029000000000

Built
1972
53 years old
Condition
Poor
inspected May 2023
Type
Channel Beam
Concrete
Length
61 ft
3 main spans
Daily traffic
5,643
2022 count
Owner
County
County Highway Agency

About this bridge

Lowell-Larimer RD over Cattle Pass is a concrete channel beam carrying Lowell-Larimer RD over Cattle Pass in Snohomish County, Washington. It was built in 1972, so it is 53 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 5,643 vehicles a day, roughly 8% of them trucks, projected to reach 7,500 by 2041. The structure is 61 ft (18.6 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLowell-Larimer RD
CrossesCattle Pass
Location2.4 NW JCT SR 9
RouteCounty Highway 92634
Coordinates47.89411, -122.1515
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28 US tons
Inventory rating20.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckOther
Main spans3
Design loadH 15
Structure length61 ft (18.6 m)
Longest span20 ft (6 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,643 (2022)
Projected traffic7,500 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.6 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lowell-Larimer RD over Cattle Pass built?

It was built in 1972, making it 53 years old in 2025.

What condition is Lowell-Larimer RD over Cattle Pass in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2023.

How much traffic does Lowell-Larimer RD over Cattle Pass carry?

About 5,643 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Lowell-Larimer RD over Cattle Pass?

The structure is 61 ft (18.6 m) long with a longest span of 20 ft (6 m) and a deck 24 ft wide.

Who owns Lowell-Larimer RD over Cattle Pass?

It is owned by the County Highway Agency.