Structure 60105000001014 · Jefferson County, OR

Local Access Road over Canyon Creek

Carries Local Access Road over Canyon Creek, 4 M Nnw Of Camp Sherman.

Overall conditionGood

Set by its lowest-rated component: Deck and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT41 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 7/9 · sets the rating

41 ft end to end. 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.

Built1976rebuilt 2010
Length41.3 ft12.6 m
Daily traffic45counted 1988
Last inspectedSeptember 2021every 48 months

Location

StateOregon
CountyJefferson
Location4 M Nnw Of Camp Sherman
CarriesLocal Access Road
CrossesCanyon Creek
Coordinates44.50381, -121.66406

Physical Characteristics

MaterialPrestressed Concrete
DesignSlab
Total Length41.3 ft (12.6 m)
Max Span40.0 ft (12.2 m)
Deck Width32.2 ft (9.8 m)
Deck Area123.5 sq m
Main Spans1
Year Built1976 (reconstructed 2010)

Traffic

Avg Daily Traffic45 (1988)
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2021
Inspection FrequencyEvery 48 months
OwnerU.S. Forest Service
Historical SignificanceHistorical significance is not determined
Scour Critical5 — Stable for scour
Structure Number060105000001014

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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