US Bridges

M 20 over Crow River

Good

Kandiyohi County, Minnesota · 0.1 MI W of JCT TH 9 · Structure no. 34J34

Built
2011
14 years old
Condition
Good
inspected September 2021
Type
Culvert
Concrete
Length
50 ft
3 main spans
Daily traffic
375
2008 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

M 20 over Crow River is a concrete culvert carrying M 20 over Crow River in Kandiyohi County, Minnesota. It was built in 2011, so it is 14 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 375 vehicles a day, projected to reach 690 by 2029. The structure is 50 ft (15.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesM 20
CrossesCrow River
Location0.1 MI W of JCT TH 9
RouteCity Street 20
Coordinates45.30021, -94.94466
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length50 ft (15.2 m)
Longest span16 ft (4.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic375 (2008)
Projected traffic690 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Park, Forest, or Reservation Agency
Maintained byState Park, Forest, or Reservation 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 M 20 over Crow River built?

It was built in 2011, making it 14 years old in 2025.

What condition is M 20 over Crow River 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 September 2021.

How much traffic does M 20 over Crow River carry?

About 375 vehicles per day (2008 count).

How long is M 20 over Crow River?

The structure is 50 ft (15.2 m) long with a longest span of 16 ft (4.8 m).

Who owns M 20 over Crow River?

It is owned by the State Park, Forest, or Reservation Agency.