Structure 83563000000000 · Snohomish County, WA

SR 96 over Farm Storage

Carries SR 96 over Farm Storage, 4.0 E Jct SR 527.

Overall conditionFair

Set by its lowest-rated component: Superstructure and Substructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT30 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 6/9 · sets the rating

30 ft end to end. Lengths and the car on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built197056 years old
Length29.9 ft9.1 m
Daily traffic3,097counted 2023
Last inspectedJuly 2023every 24 months

Location

StateWashington
CountySnohomish
Location4.0 E Jct SR 527
CarriesSR 96
CrossesFarm Storage
Coordinates47.88583, -122.13444

Physical Characteristics

MaterialConcrete
DesignStringer/Multi-beam
Total Length29.9 ft (9.1 m)
Max Span28.9 ft (8.8 m)
Deck Width29.9 ft (9.1 m)
Deck Area82.8 sq m
Main Spans1
Year Built1970

Traffic

Avg Daily Traffic3,097 (2023)
Truck Traffic9%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number083563000000000

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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