US Bridges

CR 51 over S Fk Groundhouse River

Good

Kanabec County, Minnesota · 0.1 MI E of JCT Csah 9 · Structure no. 33J09

Built
2000
25 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
65
2014 count
Owner
County
County Highway Agency

About this bridge

CR 51 over S Fk Groundhouse River is a concrete culvert carrying CR 51 over S Fk Groundhouse River in Kanabec County, Minnesota. It was built in 2000, so it is 25 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 65 vehicles a day, projected to reach 65 by 2039. The structure is 27 ft (8.2 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 51
CrossesS Fk Groundhouse River
Location0.1 MI E of JCT Csah 9
RouteCounty Highway 51
Coordinates45.7925, -93.49371
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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65 (2014)
Projected traffic65 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 CR 51 over S Fk Groundhouse River built?

It was built in 2000, making it 25 years old in 2025.

What condition is CR 51 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 November 2024.

How much traffic does CR 51 over S Fk Groundhouse River carry?

About 65 vehicles per day (2014 count).

How long is CR 51 over S Fk Groundhouse River?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m) and a deck 24 ft wide.

Who owns CR 51 over S Fk Groundhouse River?

It is owned by the County Highway Agency.