Structure 5368 · Mower County, MN

Csah 29 over Cedar River

Carries Csah 29 over Cedar River, 0.3 Mi S Of Oakland AVE.

Overall conditionFair

Set by its lowest-rated component: Superstructure at 5 of 9.

How ratings work
Superstructuresets the rating5/9 · Fair
Substructure7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT178 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck not ratedSuperstructure 5/9 · sets the ratingSubstructure 7/9

178 ft end to end, longest span 84 ft: 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 deck arch.

Built1933rebuilt 2014
Length178.1 ft54.3 m
Daily traffic2,750counted 2016
Last inspectedJune 2024every 12 months

Location

StateMinnesota
CountyMower
Location0.3 Mi S Of Oakland AVE
CarriesCsah 29
CrossesCedar River
Coordinates43.66167, -92.96973

Physical Characteristics

MaterialConcrete
DesignArch - Deck
Total Length178.1 ft (54.3 m)
Max Span84.0 ft (25.6 m)
Deck Width40.0 ft (12.2 m)
Deck Area662.5 sq m
Main Spans2
Year Built1933 (reconstructed 2014)

Traffic

Avg Daily Traffic2,750 (2016)
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceBridge is eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number5368

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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