US Bridges

CR 37 over Chippewa River

Good

Grant County, Minnesota · 0.9 MI E of JCT Csah 5 · Structure no. 92881

Built
1972
53 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
38 ft
3 main spans
Daily traffic
45
2010 count
Owner
County
County Highway Agency

About this bridge

CR 37 over Chippewa River is a concrete culvert carrying CR 37 over Chippewa River in Grant County, Minnesota. It was built in 1972, so it is 53 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 45 vehicles a day, roughly 8% of them trucks, projected to reach 45 by 2039. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCR 37
CrossesChippewa River
Location0.9 MI E of JCT Csah 5
RouteCounty Highway 37
Coordinates45.78789, -95.76502
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span10 ft (2.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2010)
Projected traffic45 by 2039
Trucks8%
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

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 Chippewa River built?

It was built in 1972, making it 53 years old in 2025.

What condition is CR 37 over Chippewa 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 October 2023.

How much traffic does CR 37 over Chippewa River carry?

About 45 vehicles per day (2010 count), of which roughly 8% are trucks.

How long is CR 37 over Chippewa River?

The structure is 38 ft (11.6 m) long with a longest span of 10 ft (2.9 m).

Who owns CR 37 over Chippewa River?

It is owned by the County Highway Agency.