Structure 5916 · Lake County, MN

Mn 61 over Encampment River

Carries Mn 61 over Encampment River, 6.5 Mi NE 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 overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT37 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 37 ft across. 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.

Built194185 years old
Length36.7 ft11.2 m
Daily traffic4,763counted 2022
Last inspectedOctober 2023every 48 months

Location

StateMinnesota
CountyLake
Location6.5 Mi NE Of Jct Csah 2
CarriesMn 61
CrossesEncampment River
Coordinates47.09350, -91.57567

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length36.7 ft (11.2 m)
Max Span31.8 ft (9.7 m)
Deck Area101.9 sq m
Main Spans1
Year Built1941

Traffic

Avg Daily Traffic4,763 (2022)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number5916

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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