Structure 53C084750200459 · Polk County, OR

Smithfield Road over Crowley Creek

Carries Smithfield Road over Crowley Creek, 005 W Of State HWY 99 W.

Overall conditionFair

Set by its lowest-rated component: Substructure at 5 of 9.

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating5/9 · Fair
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT40 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 5/9 · sets the rating

40 ft end to end, longest span 10 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 multi-beam bridge.

Built200323 years old
Length40.0 ft12.2 m
Daily traffic89counted 2020
Last inspectedAugust 2024every 24 months

Location

StateOregon
CountyPolk
Location005 W Of State HWY 99 W
CarriesSmithfield Road
CrossesCrowley Creek
Coordinates44.98225, -123.22638

Physical Characteristics

MaterialWood or Timber
DesignStringer/Multi-beam
Total Length40.0 ft (12.2 m)
Max Span9.8 ft (3 m)
Deck Width24.6 ft (7.5 m)
Deck Area91.5 sq m
Main Spans4
Year Built2003

Traffic

Avg Daily Traffic89 (2020)
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalUnknown
Structure Number53C084750200459

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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