US Bridges

Csah 37 over S Fk Whitewater River

Good

Winona County, Minnesota · 1.6 MI S of JCT CR 108 · Structure no. 85581

Built
2020
5 years old
Condition
Good
inspected November 2024
Type
Slab
Concrete Continuous
Length
112 ft
3 main spans
Daily traffic
230
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 37 over S Fk Whitewater River is a concrete continuous slab carrying Csah 37 over S Fk Whitewater River in Winona County, Minnesota. It was built in 2020, so it is 5 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 230 vehicles a day, projected to reach 270 by 2039. The structure is 112 ft (34 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 37
CrossesS Fk Whitewater River
Location1.6 MI S of JCT CR 108
RouteCounty Highway 37
Coordinates44.00819, -91.99927
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.3 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length112 ft (34 m)
Longest span43 ft (13.1 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic230 (2019)
Projected traffic270 by 2039
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 37 over S Fk Whitewater River built?

It was built in 2020, making it 5 years old in 2025.

What condition is Csah 37 over S Fk Whitewater 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 November 2024.

How much traffic does Csah 37 over S Fk Whitewater River carry?

About 230 vehicles per day (2019 count).

How long is Csah 37 over S Fk Whitewater River?

The structure is 112 ft (34 m) long with a longest span of 43 ft (13.1 m) and a deck 35 ft wide.

Who owns Csah 37 over S Fk Whitewater River?

It is owned by the County Highway Agency.