Structure 6007 · Marshall County, MN

Mn 1 over Stream

Carries Mn 1 over Stream, 5.3 Mi E Of Jct TH 75.

Overall conditionFair

Set by its lowest-rated component: Culvert at 6 of 9.

How ratings work
Culvertsets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT26 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 26 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.

Built193096 years old
Length26.2 ft8 m
Daily traffic1,500counted 2018
Last inspectedSeptember 2023every 24 months

Location

StateMinnesota
CountyMarshall
Location5.3 Mi E Of Jct TH 75
CarriesMn 1
CrossesStream
Coordinates48.19537, -96.65585

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length26.2 ft (8 m)
Max Span12.1 ft (3.7 m)
Deck Area97.6 sq m
Main Spans2
Year Built1930

Traffic

Avg Daily Traffic1,500 (2018)
Truck Traffic15%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number6007

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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