US Bridges

Mn 23 over US 71 NB

Good

Kandiyohi County, Minnesota · At the N JCT TH 23; 71 · Structure no. 34027

Built
2002
23 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
213 ft
3 main spans
Daily traffic
4,450
2016 count
Owner
State
State Highway Agency

About this bridge

Mn 23 over US 71 NB is a prestressed concrete stringer/multi-beam or girder carrying Mn 23 over US 71 NB in Kandiyohi County, Minnesota. It was built in 2002, so it is 23 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 4,450 vehicles a day, roughly 8% of them trucks, projected to reach 4,450 by 2039. The structure is 213 ft (65 m) long and 45 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesMn 23
CrossesUS 71 NB
LocationAt the N JCT TH 23; 71
RouteState Highway 23
Coordinates45.20063, -95.00245
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating47.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length213 ft (65 m)
Longest span103 ft (31.4 m)
Deck width45 ft (13.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,450 (2016)
Projected traffic4,450 by 2039
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mn 23 over US 71 NB built?

It was built in 2002, making it 23 years old in 2025.

What condition is Mn 23 over US 71 NB 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 23 over US 71 NB carry?

About 4,450 vehicles per day (2016 count), of which roughly 8% are trucks.

How long is Mn 23 over US 71 NB?

The structure is 213 ft (65 m) long with a longest span of 103 ft (31.4 m) and a deck 45 ft wide.

Who owns Mn 23 over US 71 NB?

It is owned by the State Highway Agency.