Mn 61 over Knife River

Good Condition66 years old4,547 vehicles/day

Location

StateMinnesota
CountySt. Louis
LocationAt E Co Line
CarriesMn 61
CrossesKnife River
Coordinates46.94701, -91.79559

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure8 (Very Good)
Substructure7 (Good)
Channel/Waterway6 (Satisfactory)
Scour Critical7 — Countermeasures installed

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length183.1 ft (55.8 m)
Max Span68.6 ft (20.9 m)
Deck Width43.6 ft (13.3 m)
Deck Area742.1 sq m
Main Spans3
Year Built1960

Traffic

Avg Daily Traffic4,547 (2021)
Truck Traffic7%
Lanes On Bridge2

Inspection & Ownership

Last Inspection523
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is eligible for the National Register
Structure Number9339

Nearby Bridges