Structure 7683A0000000 · Okanogan County, WA

US 97 over Watson Draw

Carries US 97 over Watson Draw, 1.5 N Jct SR 153.

Overall conditionPoor

Set by its lowest-rated component: Deck at 3 of 9.

How ratings work
Decksets the rating3/9 · Serious
Superstructure7/9 · Good
Substructure7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT100 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 3/9 · sets the ratingSuperstructure 7/9Substructure 7/9

100 ft end to end, longest span 64 ft. 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 tee-beam bridge.

Built1965rebuilt 1991
Length100.1 ft30.5 m
Daily traffic5,644counted 2023
Last inspectedJuly 2024every 24 months

Location

StateWashington
CountyOkanogan
Location1.5 N Jct SR 153
CarriesUS 97
CrossesWatson Draw
Coordinates48.06350, -119.88211

Physical Characteristics

MaterialConcrete Continuous
DesignTee Beam
Total Length100.1 ft (30.5 m)
Max Span64.0 ft (19.5 m)
Deck Width35.1 ft (10.7 m)
Deck Area326.4 sq m
Main Spans3
Year Built1965 (reconstructed 1991)

Traffic

Avg Daily Traffic5,644 (2023)
Truck Traffic11%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number0007683A0000000

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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