US Bridges

Mn 23 over S Fk Groundhouse River

Good

Kanabec County, Minnesota · 3.9 MI W of JCT Mn 47 · Structure no. 33X03

Built
2024
1 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
6,290
2024 count
Owner
State
State Highway Agency

About this bridge

Mn 23 over S Fk Groundhouse River is a concrete culvert carrying Mn 23 over S Fk Groundhouse River in Kanabec County, Minnesota. It was built in 2024, so it is 1 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 6,290 vehicles a day, roughly 11% of them trucks, projected to reach 7,610 by 2044. The structure is 28 ft (8.6 m) long. If it were closed, the detour would be 31.7 mi (51 km).

CarriesMn 23
CrossesS Fk Groundhouse River
Location3.9 MI W of JCT Mn 47
RouteState Highway 23
Coordinates45.80474, -93.5033
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 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 alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length28 ft (8.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,290 (2024)
Projected traffic7,610 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.7 mi (51 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mn 23 over S Fk Groundhouse River built?

It was built in 2024, making it 1 years old in 2025.

What condition is Mn 23 over S Fk Groundhouse 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 August 2024.

How much traffic does Mn 23 over S Fk Groundhouse River carry?

About 6,290 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Mn 23 over S Fk Groundhouse River?

The structure is 28 ft (8.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Mn 23 over S Fk Groundhouse River?

It is owned by the State Highway Agency.