US Bridges

SR 525 over Gn RY

Fair

Snohomish County, Washington · 1.9 N JCT SR 526 · Structure no. 0002656A0000000

Built
1941
84 years old, rebuilt 1967
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
228 ft
1 main span
Daily traffic
11,076
2023 count
Owner
State
State Highway Agency

About this bridge

SR 525 over Gn RY is a steel stringer/multi-beam or girder carrying SR 525 over Gn RY in Snohomish County, Washington. It was built in 1941 and reconstructed in 1967, so it is 84 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 5 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 11,076 vehicles a day, roughly 3% of them trucks, projected to reach 17,073 by 2039. The structure is 228 ft (69.5 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSR 525
CrossesGn RY
Location1.9 N JCT SR 526
RouteState Highway 525
CountySnohomish County
StateWashington
Coordinates47.94725, -122.30406
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+10 approach)
Design loadH 15
Structure length228 ft (69.5 m)
Longest span45 ft (13.7 m)
Deck width56 ft (17.1 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,076 (2023)
Projected traffic17,073 by 2039
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$5.6 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 525 over Gn RY built?

It was built in 1941, making it 84 years old in 2025. It was reconstructed in 1967.

What condition is SR 525 over Gn RY 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 August 2024.

How much traffic does SR 525 over Gn RY carry?

About 11,076 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is SR 525 over Gn RY?

The structure is 228 ft (69.5 m) long with a longest span of 45 ft (13.7 m) and a deck 56 ft wide.

Who owns SR 525 over Gn RY?

It is owned by the State Highway Agency.