Structure 736A102 09096 · Washington County, OR

B Street over Gales CR

Carries B Street over Gales CR, 0.02 Mi SW Forest Grove.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT95 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

95 ft end to end, longest span 21 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.

Built194977 years old
Length95.1 ft29 m
Daily traffic7,839counted 2020
Last inspectedAugust 2024every 24 months

Location

StateOregon
CountyWashington
Location0.02 Mi SW Forest Grove
CarriesB Street
CrossesGales CR
Coordinates45.51076, -123.11560

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length95.1 ft (29 m)
Max Span21.0 ft (6.4 m)
Deck Width35.1 ft (10.7 m)
Deck Area310.3 sq m
Main Spans5
Year Built1949

Traffic

Avg Daily Traffic7,839 (2020)
Truck Traffic11%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical5 — Stable for scour
Structure Number00736A102 09096

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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