US Bridges

Permanently Closed over Cannon River

PoorClosed to traffic

Goodhue County, Minnesota · 0.9 MI N of JCT TH 61 · Structure no. 3481

Built
1921
104 years old
Condition
Poor
inspected September 2005
Type
Girder and Floorbeam System
Concrete
Length
193 ft
4 main spans
Daily traffic
20
1971 count
Owner
City
City or Municipal Highway Agency

About this bridge

Permanently Closed over Cannon River is a concrete girder and floorbeam system carrying Permanently Closed over Cannon River in Goodhue County, Minnesota. It was built in 1921, so it is 104 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 20 vehicles a day, projected to reach 20 by 2029. The structure is 193 ft (58.9 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesPermanently Closed
CrossesCannon River
Location0.9 MI N of JCT TH 61
Coordinates44.58269, -92.6443
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2005
Inspection intervalevery 12 months
Operating statusClosed to all traffic
ScourScour evaluation has not been made
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating10.7 US tons
Inventory rating7.7 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length193 ft (58.9 m)
Longest span48 ft (14.7 m)
Deck width24 ft (7.4 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (1971)
Projected traffic20 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Permanently Closed over Cannon River built?

It was built in 1921, making it 104 years old in 2025.

What condition is Permanently Closed over Cannon River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2005.

How much traffic does Permanently Closed over Cannon River carry?

About 20 vehicles per day (1971 count).

How long is Permanently Closed over Cannon River?

The structure is 193 ft (58.9 m) long with a longest span of 48 ft (14.7 m) and a deck 24 ft wide.

Who owns Permanently Closed over Cannon River?

It is owned by the City or Municipal Highway Agency.