Structure 32520 · Jackson County, MN

CR 85 over Elm Creek

Carries CR 85 over Elm Creek, 0.9 Mi S Of Jct Csah 29.

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 overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT52 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

52 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 multi-beam bridge.

Built197650 years old
Length52.2 ft15.9 m
Daily traffic75counted 2008
Last inspectedSeptember 2023every 24 months

Location

StateMinnesota
CountyJackson
Location0.9 Mi S Of Jct Csah 29
CarriesCR 85
CrossesElm Creek
Coordinates43.77723, -94.91436

Physical Characteristics

MaterialWood or Timber
DesignStringer/Multi-beam
Total Length52.2 ft (15.9 m)
Max Span49.9 ft (15.2 m)
Deck Width32.2 ft (9.8 m)
Deck Area155.8 sq m
Main Spans1
Year Built1976

Traffic

Avg Daily Traffic75 (2008)
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number32520

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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