Structure 20366 887 00078 · Jackson County, OR

County RD 887 over Wimer Covered /evans CR

Carries County RD 887 over Wimer Covered /evans CR, 0.78 Milepost.

Overall conditionGood

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

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

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT171 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

171 ft end to end: about 2 semi-trucks nose to tail. Lengths and the semi-truck 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 through truss.

Built200818 years old
Length170.9 ft52.1 m
Daily traffic1,133counted 2020
Last inspectedJune 2023every 24 months

Location

StateOregon
CountyJackson
Location0.78 Milepost
CarriesCounty RD 887
CrossesWimer Covered /evans CR
Coordinates42.53809, -123.14965

Physical Characteristics

MaterialWood or Timber
DesignTruss - Thru
Total Length170.9 ft (52.1 m)
Max Span89.2 ft (27.2 m)
Deck Width17.7 ft (5.4 m)
Deck Area281.3 sq m
Main Spans1
Year Built2008

Traffic

Avg Daily Traffic1,133 (2020)
Truck Traffic5%
Lanes On Bridge1

Inspection & Ownership

Last InspectionJune 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical4 — Foundations need monitoring
Structure Number20366 887 00078

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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