Structure 2003660000000 · Mason County, WA

SR 119 over Big Creek

Carries SR 119 over Big Creek, 9.4 N Jct SR 101.

Overall conditionFair

Set by its lowest-rated component: Substructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
25 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

25 ft end to end. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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.

Built196066 years old
Length24.9 ft7.6 m
Daily traffic519counted 2023
Last inspectedJuly 2024every 24 months

Location

StateWashington
CountyMason
Location9.4 N Jct SR 101
CarriesSR 119
CrossesBig Creek
Coordinates47.49195, -123.21131

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length24.9 ft (7.6 m)
Max Span24.0 ft (7.3 m)
Deck Width28.2 ft (8.6 m)
Deck Area65.4 sq m
Main Spans1
Year Built1960

Traffic

Avg Daily Traffic519 (2023)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical3 — Scour critical
Structure Number002003660000000

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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