US Bridges

Mn 65 over Snake River

Fair

Kanabec County, Minnesota · 2.5 MI N of JCT TH 23 · Structure no. 33003

Built
1989
36 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
194 ft
2 main spans
Daily traffic
3,788
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 65 over Snake River is a prestressed concrete stringer/multi-beam or girder carrying Mn 65 over Snake River in Kanabec County, Minnesota. It was built in 1989, so it is 36 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,788 vehicles a day, roughly 5% of them trucks, projected to reach 3,450 by 2042. The structure is 194 ft (59.1 m) long and 46 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

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CarriesMn 65
CrossesSnake River
Location2.5 MI N of JCT TH 23
RouteState Highway 65
CountyKanabec County
StateMinnesota
Coordinates45.91122, -93.28671
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating86.4 US tons
Inventory rating43.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length194 ft (59.1 m)
Longest span96 ft (29.3 m)
Deck width46 ft (14.1 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,788 (2022)
Projected traffic3,450 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mn 65 over Snake River built?

It was built in 1989, making it 36 years old in 2025.

What condition is Mn 65 over Snake River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.

How much traffic does Mn 65 over Snake River carry?

About 3,788 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Mn 65 over Snake River?

The structure is 194 ft (59.1 m) long with a longest span of 96 ft (29.3 m) and a deck 46 ft wide.

Who owns Mn 65 over Snake River?

It is owned by the State Highway Agency.