Structure 1480A0000000 · King County, WA

SR 202 over Snoqualmie River

Carries SR 202 over Snoqualmie River, 4.2 E Jct SR 203.

Overall conditionPoor

Set by its lowest-rated component: Superstructure at 4 of 9.

How ratings work
Deck5/9 · Fair
Superstructuresets the rating4/9 · Poor
Substructure6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT444 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 4/9 · sets the ratingSubstructure 6/9

444 ft end to end: about 6 semi-trucks nose to tail. Lengths and the semi-truck 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 through truss.

Built193195 years old
Length443.9 ft135.3 m
Daily traffic9,740counted 2023
Last inspectedSeptember 2024every 24 months

Location

StateWashington
CountyKing
Location4.2 E Jct SR 203
CarriesSR 202
CrossesSnoqualmie River
Coordinates47.53942, -121.83269

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length443.9 ft (135.3 m)
Max Span220.1 ft (67.1 m)
Deck Width24.9 ft (7.6 m)
Deck Area1028.3 sq m
Main Spans1
Year Built1931

Traffic

Avg Daily Traffic9,740 (2023)
Truck Traffic7%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical3 — Scour critical
Structure Number0001480A0000000

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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