US Bridges

M 1 over Drainage Ditch

Good

Winona County, Minnesota · 0.1 MI E of Whitewater · Structure no. 85J46

Built
2017
8 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
1
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

M 1 over Drainage Ditch is a concrete culvert carrying M 1 over Drainage Ditch in Winona County, Minnesota. It was built in 2017, so it is 8 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 1 vehicles a day, projected to reach 1 by 2037. The structure is 21 ft (6.5 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesM 1
CrossesDrainage Ditch
Location0.1 MI E of Whitewater
RouteCity Street 1
CountyWinona County
StateMinnesota
Coordinates43.97625, -92.06464
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 protection9 ExcellentNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length21 ft (6.5 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1 (2017)
Projected traffic1 by 2037
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 M 1 over Drainage Ditch built?

It was built in 2017, making it 8 years old in 2025.

What condition is M 1 over Drainage Ditch 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 2023.

How much traffic does M 1 over Drainage Ditch carry?

About 1 vehicles per day (2017 count).

How long is M 1 over Drainage Ditch?

The structure is 21 ft (6.5 m) long with a longest span of 10 ft (3 m).

Who owns M 1 over Drainage Ditch?

It is owned by the City or Municipal Highway Agency.