Structure 85805 · Winona County, MN

Con 5609 over I 90; TH 61; Rr

Carries Con 5609 over I 90; TH 61; Rr, West I 90.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT639 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

639 ft end to end, longest span 184 ft: about 1.8 football fields. 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.

Built201610 years old
Length639.4 ft194.9 m
Daily traffic4,693counted 2021
Last inspectedOctober 2024every 24 months

Location

StateMinnesota
CountyWinona
LocationWest I 90
CarriesCon 5609
CrossesI 90; TH 61; Rr
Coordinates43.85888, -91.30659

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length639.4 ft (194.9 m)
Max Span184.1 ft (56.1 m)
Deck Width37.4 ft (11.4 m)
Deck Area2221.9 sq m
Main Spans4
Year Built2016

Traffic

Avg Daily Traffic4,693 (2021)
Lanes On Bridge1
Lanes Under Bridge10

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number85805

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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