US Bridges

Index-Galena RD over Troublesome Creek

Fair

Snohomish County, Washington · 11.2 NE JCT SR 2 · Structure no. 082902000000000

Built
1973
52 years old
Condition
Fair
inspected July 2024
Type
Frame
Concrete Continuous
Length
203 ft
3 main spans
Daily traffic
86
2020 count
Owner
County
County Highway Agency

About this bridge

Index-Galena RD over Troublesome Creek is a concrete continuous frame carrying Index-Galena RD over Troublesome Creek in Snohomish County, Washington. It was built in 1973, so it is 52 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 86 vehicles a day, roughly 10% of them trucks, projected to reach 300 by 2046. The structure is 203 ft (61.9 m) long and 32 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesIndex-Galena RD
CrossesTroublesome Creek
Location11.2 NE JCT SR 2
RouteCounty Highway 54600
Coordinates47.89848, -121.40132
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59 US tons
Inventory rating34 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length203 ft (61.9 m)
Longest span81 ft (24.8 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic86 (2020)
Projected traffic300 by 2046
Trucks10%
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$7.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Index-Galena RD over Troublesome Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Index-Galena RD over Troublesome Creek 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 July 2024.

How much traffic does Index-Galena RD over Troublesome Creek carry?

About 86 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Index-Galena RD over Troublesome Creek?

The structure is 203 ft (61.9 m) long with a longest span of 81 ft (24.8 m) and a deck 32 ft wide.

Who owns Index-Galena RD over Troublesome Creek?

It is owned by the County Highway Agency.