US Bridges

CR 37 over Big Cannon River

Fair

Rice County, Minnesota · 0.8 MI W of JCT Csah 10 · Structure no. 93783

Built
1986
39 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
20 ft
2 main spans
Daily traffic
110
2016 count
Owner
County
County Highway Agency

About this bridge

CR 37 over Big Cannon River is a concrete culvert carrying CR 37 over Big Cannon River in Rice County, Minnesota. It was built in 1986, so it is 39 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 110 vehicles a day, projected to reach 110 by 2039. The structure is 20 ft (6.2 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesCR 37
CrossesBig Cannon River
Location0.8 MI W of JCT Csah 10
RouteCounty Highway 37
Coordinates44.34687, -93.45624
Functional classRural Local

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 inspectionMay 2024
Inspection intervalevery 48 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 rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length20 ft (6.2 m)
Longest span9 ft (2.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2016)
Projected traffic110 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 37 over Big Cannon River built?

It was built in 1986, making it 39 years old in 2025.

What condition is CR 37 over Big 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 May 2024.

How much traffic does CR 37 over Big Cannon River carry?

About 110 vehicles per day (2016 count).

How long is CR 37 over Big Cannon River?

The structure is 20 ft (6.2 m) long with a longest span of 9 ft (2.6 m).

Who owns CR 37 over Big Cannon River?

It is owned by the County Highway Agency.