Structure 80891000000000 · Grays Harbor County, WA

Stillson Road over West Fork Wildcat Creek

Carries Stillson Road over West Fork Wildcat Creek, 0.5 N Jct CR 7974.

Overall conditionPoor

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating3/9 · Serious
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT69 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 3/9 · sets the rating

69 ft end to end, longest span 31 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 slab bridge.

Built197353 years old
Length69.2 ft21.1 m
Daily traffic90counted 2023
Last inspectedMarch 2024every 12 months

Location

StateWashington
CountyGrays Harbor
Location0.5 N Jct CR 7974
CarriesStillson Road
CrossesWest Fork Wildcat Creek
Coordinates47.05806, -123.30806

Physical Characteristics

MaterialPrestressed Concrete
DesignSlab
Total Length69.2 ft (21.1 m)
Max Span31.2 ft (9.5 m)
Deck Width20.0 ft (6.1 m)
Deck Area128.7 sq m
Main Spans3
Year Built1973

Traffic

Avg Daily Traffic90 (2023)
Truck Traffic5%
Lanes On Bridge1

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number080891000000000

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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