US Bridges

Mn 210 over Sandy River

Fair

Aitkin County, Minnesota · 4.3 MI E of E JCT TH 65 · Structure no. 6295

Built
1930
95 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
2,575
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 210 over Sandy River is a concrete culvert carrying Mn 210 over Sandy River in Aitkin County, Minnesota. It was built in 1930, so it is 95 years old, older 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 2,575 vehicles a day, roughly 13% of them trucks, projected to reach 3,700 by 2042. The structure is 22 ft (6.8 m) long. If it were closed, the detour would be 24.9 mi (40 km).

Location

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CarriesMn 210
CrossesSandy River
Location4.3 MI E of E JCT TH 65
RouteState Highway 210
CountyAitkin County
StateMinnesota
Coordinates46.62985, -93.20866
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating32.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length22 ft (6.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,575 (2022)
Projected traffic3,700 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 km)
TollOn a free road
National Highway SystemYes

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$24 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Mn 210 over Sandy River built?

It was built in 1930, making it 95 years old in 2025.

What condition is Mn 210 over Sandy 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 June 2023.

How much traffic does Mn 210 over Sandy River carry?

About 2,575 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is Mn 210 over Sandy River?

The structure is 22 ft (6.8 m) long with a longest span of 10 ft (3 m).

Who owns Mn 210 over Sandy River?

It is owned by the State Highway Agency.