US Bridges

Index-Galena RD over Lewis Creek

Good

Snohomish County, Washington · 2.2 NE JCT SR 2 · Structure no. 087240000000000

Built
2005
20 years old
Condition
Good
inspected October 2023
Type
Frame
Concrete
Length
31 ft
1 main span
Daily traffic
186
2019 count
Owner
County
County Highway Agency

About this bridge

Index-Galena RD over Lewis Creek is a concrete frame carrying Index-Galena RD over Lewis Creek in Snohomish County, Washington. It was built in 2005, so it is 20 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 186 vehicles a day, roughly 3% of them trucks, projected to reach 500 by 2045. The structure is 31 ft (9.3 m) long and 25 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesIndex-Galena RD
CrossesLewis Creek
Location2.2 NE JCT SR 2
RouteCounty Highway 54600
CountySnohomish County
StateWashington
Coordinates47.82087, -121.52674
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating54 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length31 ft (9.3 m)
Longest span28 ft (8.6 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic186 (2019)
Projected traffic500 by 2045
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$1.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Index-Galena RD over Lewis Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is Index-Galena RD over Lewis Creek 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 Index-Galena RD over Lewis Creek carry?

About 186 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is Index-Galena RD over Lewis Creek?

The structure is 31 ft (9.3 m) long with a longest span of 28 ft (8.6 m) and a deck 25 ft wide.

Who owns Index-Galena RD over Lewis Creek?

It is owned by the County Highway Agency.