US Bridges

Oso Loop RD over Fry Creek

Good

Snohomish County, Washington · 0.8 SW JCT SR 530 · Structure no. 087072000000000

Built
2003
22 years old
Condition
Good
inspected May 2023
Type
Frame
Concrete
Length
30 ft
1 main span
Daily traffic
135
2019 count
Owner
County
County Highway Agency

About this bridge

Oso Loop RD over Fry Creek is a concrete frame carrying Oso Loop RD over Fry Creek in Snohomish County, Washington. It was built in 2003, so it is 22 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 135 vehicles a day, roughly 13% of them trucks, projected to reach 200 by 2043. The structure is 30 ft (9.1 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesOso Loop RD
CrossesFry Creek
Location0.8 SW JCT SR 530
RouteCounty Highway 83110
Coordinates48.26531, -121.91378
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 rating46 US tons
Inventory rating27 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width24 ft (7.2 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic135 (2019)
Projected traffic200 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$310,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Oso Loop RD over Fry Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is Oso Loop RD over Fry 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 May 2023.

How much traffic does Oso Loop RD over Fry Creek carry?

About 135 vehicles per day (2019 count), of which roughly 13% are trucks.

How long is Oso Loop RD over Fry Creek?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 24 ft wide.

Who owns Oso Loop RD over Fry Creek?

It is owned by the County Highway Agency.