Structure 59K07 · Pipestone County, MN

Csah 16 over Trib Rock River

Carries Csah 16 over Trib Rock River, 0.7 Mi N Of Jct Csah 2.

Overall conditionGood

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

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT27 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 27 ft across with 2 openings. 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, so those are drawn as typical for a culvert.

Built20179 years old
Length27.2 ft8.3 m
Daily traffic305counted 2016
Last inspectedOctober 2024every 48 months

Location

StateMinnesota
CountyPipestone
Location0.7 Mi N Of Jct Csah 2
CarriesCsah 16
CrossesTrib Rock River
Coordinates43.93214, -96.18450

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length27.2 ft (8.3 m)
Max Span12.1 ft (3.7 m)
Deck Area60.6 sq m
Main Spans2
Year Built2017

Traffic

Avg Daily Traffic305 (2016)
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 48 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number59K07

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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