Structure 17382 163 02736 · Marion County, OR

Or 214 (hwy 163) over North Fork Silver Creek

Carries Or 214 (hwy 163) over North Fork Silver Creek, 020 Mi NE Silver CR Falls.

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 overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT105 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

105 ft end to end, longest span 42 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.

Built199531 years old
Length105.0 ft32 m
Daily traffic826counted 2022
Last inspectedNovember 2023every 24 months

Location

StateOregon
CountyMarion
Location020 Mi NE Silver CR Falls
CarriesOr 214 (hwy 163)
CrossesNorth Fork Silver Creek
Coordinates44.88410, -122.62010

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length105.0 ft (32 m)
Max Span42.0 ft (12.8 m)
Deck Width42.3 ft (12.9 m)
Deck Area412.8 sq m
Main Spans3
Year Built1995

Traffic

Avg Daily Traffic826 (2022)
Truck Traffic11%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number17382 163 02736

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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