US Bridges

Csah 12 over Cannon-Wells Lake Channe

Fair

Rice County, Minnesota · 0.8 MI W of JCT TH 60 · Structure no. 66511

Built
1976
49 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
123 ft
3 main spans
Daily traffic
1,750
2012 count
Owner
County
County Highway Agency

About this bridge

Csah 12 over Cannon-Wells Lake Channe is a steel continuous stringer/multi-beam or girder carrying Csah 12 over Cannon-Wells Lake Channe in Rice County, Minnesota. It was built in 1976, so it is 49 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 5 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 1,750 vehicles a day, projected to reach 1,750 by 2039. The structure is 123 ft (37.4 m) long and 44 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCsah 12
CrossesCannon-Wells Lake Channe
Location0.8 MI W of JCT TH 60
RouteCounty Highway 12
Coordinates44.28151, -93.35103
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.3 US tons
Inventory rating29.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length123 ft (37.4 m)
Longest span46 ft (14 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,750 (2012)
Projected traffic1,750 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Csah 12 over Cannon-Wells Lake Channe built?

It was built in 1976, making it 49 years old in 2025.

What condition is Csah 12 over Cannon-Wells Lake Channe 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 April 2023.

How much traffic does Csah 12 over Cannon-Wells Lake Channe carry?

About 1,750 vehicles per day (2012 count).

How long is Csah 12 over Cannon-Wells Lake Channe?

The structure is 123 ft (37.4 m) long with a longest span of 46 ft (14 m) and a deck 44 ft wide.

Who owns Csah 12 over Cannon-Wells Lake Channe?

It is owned by the County Highway Agency.