US Bridges

Mn 210 over Emergency Overflow

Good

Carlton County, Minnesota · 3.6 MI E of JCT TH 45 · Structure no. 09017

Built
2013
12 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
466 ft
4 main spans
Daily traffic
710
2018 count
Owner
State
State Highway Agency

About this bridge

Mn 210 over Emergency Overflow is a prestressed concrete stringer/multi-beam or girder carrying Mn 210 over Emergency Overflow in Carlton County, Minnesota. It was built in 2013, so it is 12 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 710 vehicles a day, roughly 6% of them trucks, projected to reach 620 by 2038. The structure is 466 ft (142.1 m) long and 39 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

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CarriesMn 210
CrossesEmergency Overflow
Location3.6 MI E of JCT TH 45
RouteState Highway 210
CountyCarlton County
StateMinnesota
Coordinates46.65616, -92.35972
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.1 US tons
Inventory rating48.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length466 ft (142.1 m)
Longest span140 ft (42.7 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic710 (2018)
Projected traffic620 by 2038
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 210 over Emergency Overflow built?

It was built in 2013, making it 12 years old in 2025.

What condition is Mn 210 over Emergency Overflow in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does Mn 210 over Emergency Overflow carry?

About 710 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is Mn 210 over Emergency Overflow?

The structure is 466 ft (142.1 m) long with a longest span of 140 ft (42.7 m) and a deck 39 ft wide.

Who owns Mn 210 over Emergency Overflow?

It is owned by the State Highway Agency.