Structure 61804000012761 · Linn County, OR

No Data Entered over North Santiam

Carries No Data Entered over North Santiam, No Data Entered.

Overall conditionGood

Set by its lowest-rated component: Deck at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructure9/9 · Excellent
Substructure9/9 · Excellent
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT46 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9 · sets the ratingSuperstructure 9/9Substructure 9/9

46 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.

Built201115 years old
Length45.9 ft14 m
Daily traffic10counted 2011
Last inspectedOctober 2021every 48 months

Location

StateOregon
CountyLinn
LocationNo Data Entered
CarriesNo Data Entered
CrossesNorth Santiam
Coordinates44.49851, -121.98349

Physical Characteristics

MaterialPrestressed Concrete
DesignSlab
Total Length45.9 ft (14 m)
Max Span44.9 ft (13.7 m)
Deck Width16.1 ft (4.9 m)
Deck Area68.6 sq m
Main Spans1
Year Built2011

Traffic

Avg Daily Traffic10 (2011)
Lanes On Bridge1

Inspection & Ownership

Last InspectionOctober 2021
Inspection FrequencyEvery 48 months
OwnerU.S. Forest Service
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number061804000012761

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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