Structure 61803000001514 · Linn County, OR

Road over Moose CR

Carries Road over Moose CR, No Data Entered.

Overall conditionGood

Set by its lowest-rated component: Superstructure at 7 of 9.

How ratings work
Deck8/9 · Very Good
Superstructuresets the rating7/9 · Good
Substructure8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT55 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 7/9 · sets the ratingSubstructure 8/9

55 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.

Built198046 years old
Length55.1 ft16.8 m
Daily traffic50counted 2006
Last inspectedNovember 2021every 48 months

Location

StateOregon
CountyLinn
LocationNo Data Entered
CarriesRoad
CrossesMoose CR
Coordinates44.40461, -122.43747

Physical Characteristics

MaterialPrestressed Concrete
DesignSlab
Total Length55.1 ft (16.8 m)
Max Span54.1 ft (16.5 m)
Deck Width16.1 ft (4.9 m)
Deck Area82.3 sq m
Main Spans1
Year Built1980

Traffic

Avg Daily Traffic50 (2006)
Lanes On Bridge1

Inspection & Ownership

Last InspectionNovember 2021
Inspection FrequencyEvery 48 months
OwnerU.S. Forest Service
Historical SignificanceHistorical significance is not determined
Scour Critical9 — Foundation above flood level
Structure Number061803000001514

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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