US Bridges

M 7 over N Br Zumbro R

Good

Wabasha County, Minnesota · 0.1 MI W of JCT Csah 1 · Structure no. 79544

Built
2001
24 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
195 ft
3 main spans
Daily traffic
165
2000 count
Owner
City
City or Municipal Highway Agency

About this bridge

M 7 over N Br Zumbro R is a prestressed concrete stringer/multi-beam or girder carrying M 7 over N Br Zumbro R in Wabasha County, Minnesota. It was built in 2001, so it is 24 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 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 165 vehicles a day, projected to reach 165 by 2029. The structure is 195 ft (59.5 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesM 7
CrossesN Br Zumbro R
Location0.1 MI W of JCT Csah 1
RouteCity Street 7
Coordinates44.27409, -92.54823
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.9 US tons
Inventory rating48.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length195 ft (59.5 m)
Longest span65 ft (19.8 m)
Deck width40 ft (12.2 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic165 (2000)
Projected traffic165 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 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 M 7 over N Br Zumbro R built?

It was built in 2001, making it 24 years old in 2025.

What condition is M 7 over N Br Zumbro R 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 M 7 over N Br Zumbro R carry?

About 165 vehicles per day (2000 count).

How long is M 7 over N Br Zumbro R?

The structure is 195 ft (59.5 m) long with a longest span of 65 ft (19.8 m) and a deck 40 ft wide.

Who owns M 7 over N Br Zumbro R?

It is owned by the City or Municipal Highway Agency.