Structure 88863000000000 · Chelan County, WA

Old West Malaga RD over Stemilt Creek

Carries Old West Malaga RD over Stemilt Creek, 300 From Stemilt Crk RD.

Overall conditionFair

Set by its lowest-rated component: Deck and Substructure at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
Channelnot part of overall4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT32 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 6/9Substructure 5/9 · sets the rating

32 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 girder bridge.

Built193690 years old
Length32.2 ft9.8 m
Daily traffic2counted 2021
Last inspectedOctober 2023every 24 months

Location

StateWashington
CountyChelan
Location300 From Stemilt Crk RD
CarriesOld West Malaga RD
CrossesStemilt Creek
Coordinates47.37486, -120.24953

Physical Characteristics

MaterialConcrete
DesignGirder and Floorbeam
Total Length32.2 ft (9.8 m)
Max Span29.9 ft (9.1 m)
Deck Width22.6 ft (6.9 m)
Deck Area67.6 sq m
Main Spans1
Year Built1936

Traffic

Avg Daily Traffic2 (2021)
Lanes On Bridge1

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical3 — Scour critical
Structure Number088863000000000

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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