Structure 12593A0000000 · Lincoln County, WA

SR 231 over Crab Creek

Carries SR 231 over Crab Creek, 15.9 N Jct SR 23.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT44 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

44 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 slab bridge.

Built198442 years old
Length44.0 ft13.4 m
Daily traffic288counted 2023
Last inspectedOctober 2023every 48 months

Location

StateWashington
CountyLincoln
Location15.9 N Jct SR 23
CarriesSR 231
CrossesCrab Creek
Coordinates47.50467, -117.95106

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length44.0 ft (13.4 m)
Max Span40.0 ft (12.2 m)
Deck Width40.0 ft (12.2 m)
Deck Area163.5 sq m
Main Spans1
Year Built1984

Traffic

Avg Daily Traffic288 (2023)
Truck Traffic20%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number0012593A0000000

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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