Structure 50592 · Mower County, MN

Csah 1 over Cedar River

Carries Csah 1 over Cedar River, 0.8 Mi E Of Jct TH 218.

Overall conditionGood

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

How ratings work
Deck8/9 · Very Good
Superstructure8/9 · Very 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 FT125 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 7/9 · sets the rating

125 ft end to end, longest span 47 ft. 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 slab bridge.

Built201313 years old
Length124.7 ft38 m
Daily traffic560counted 2016
Last inspectedJune 2024every 24 months

Location

StateMinnesota
CountyMower
Location0.8 Mi E Of Jct TH 218
CarriesCsah 1
CrossesCedar River
Coordinates43.81919, -93.00255

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length124.7 ft (38 m)
Max Span46.9 ft (14.3 m)
Deck Width35.4 ft (10.8 m)
Deck Area410.4 sq m
Main Spans3
Year Built2013

Traffic

Avg Daily Traffic560 (2016)
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number50592

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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