Structure 79013 · Wabasha County, MN

Mn 60 over Trout Brook

Carries Mn 60 over Trout Brook, 1.7 Mi E Of Jct Csah 1.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · 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
SEMI-TRUCK · 72 FT145 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 7/9 · sets the ratingSubstructure 8/9

145 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 multi-beam bridge.

Built201511 years old
Length145.3 ft44.3 m
Daily traffic1,750counted 2018
Last inspectedSeptember 2024every 24 months

Location

StateMinnesota
CountyWabasha
Location1.7 Mi E Of Jct Csah 1
CarriesMn 60
CrossesTrout Brook
Coordinates44.27618, -92.52126

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length145.3 ft (44.3 m)
Max Span142.1 ft (43.3 m)
Deck Width43.3 ft (13.2 m)
Deck Area584.8 sq m
Main Spans1
Year Built2015

Traffic

Avg Daily Traffic1,750 (2018)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number79013

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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