Structure 19C417025000017 · Douglas County, OR

County RD 250 over Tenmile Creek

Carries County RD 250 over Tenmile Creek, 1.0 Mi NW Of Tenmile.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructure7/9 · Good
Substructuresets the rating5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT92 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 7/9Substructure 5/9 · sets the rating

92 ft end to end, longest span 30 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.

Built196363 years old
Length91.9 ft28 m
Daily traffic410counted 2020
Last inspectedJanuary 2025every 12 months

Location

StateOregon
CountyDouglas
Location1.0 Mi NW Of Tenmile
CarriesCounty RD 250
CrossesTenmile Creek
Coordinates43.09364, -123.57873

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length91.9 ft (28 m)
Max Span29.9 ft (9.1 m)
Deck Width24.0 ft (7.3 m)
Deck Area204.4 sq m
Main Spans3
Year Built1963

Traffic

Avg Daily Traffic410 (2020)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2025
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalUnknown
Structure Number19C417025000017

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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