US Bridges

Mn 246 over Little Cannon River

Fair

Goodhue County, Minnesota · 3.4 MI NE of JCT TH 56 · Structure no. 91730

Built
1978
47 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
40 ft
3 main spans
Daily traffic
192
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 246 over Little Cannon River is a concrete culvert carrying Mn 246 over Little Cannon River in Goodhue County, Minnesota. It was built in 1978, so it is 47 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 192 vehicles a day, roughly 5% of them trucks, projected to reach 280 by 2042. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 14.3 mi (23 km).

Location

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CarriesMn 246
CrossesLittle Cannon River
Location3.4 MI NE of JCT TH 56
RouteState Highway 246
CountyGoodhue County
StateMinnesota
Coordinates44.33259, -93.02039
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating32.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic192 (2022)
Projected traffic280 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 246 over Little Cannon River built?

It was built in 1978, making it 47 years old in 2025.

What condition is Mn 246 over Little Cannon River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does Mn 246 over Little Cannon River carry?

About 192 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Mn 246 over Little Cannon River?

The structure is 40 ft (12.2 m) long with a longest span of 10 ft (3 m).

Who owns Mn 246 over Little Cannon River?

It is owned by the State Highway Agency.