Structure 79847000000000 · Lewis County, WA

Galvin Rd. over Chehalis River

Carries Galvin Rd. over Chehalis River, 1.5 W Centralia.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructure7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT400 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 5/9 · sets the ratingSubstructure 7/9

400 ft end to end, longest span 128 ft: about 6 semi-trucks nose to tail. Lengths and the semi-truck 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 box-beam bridge.

Built196957 years old
Length399.9 ft121.9 m
Daily traffic1,941counted 2021
Last inspectedMarch 2024every 24 months

Location

StateWashington
CountyLewis
Location1.5 W Centralia
CarriesGalvin Rd.
CrossesChehalis River
Coordinates46.73594, -123.02058

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Single/Spread
Total Length399.9 ft (121.9 m)
Max Span128.0 ft (39 m)
Deck Width33.8 ft (10.3 m)
Deck Area1255.6 sq m
Main Spans5
Year Built1969

Traffic

Avg Daily Traffic1,941 (2021)
Truck Traffic13%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical3 — Scour critical
Structure Number079847000000000

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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