US Bridges

M 82 over Mid Fk Zumbro River

Good

Olmsted County, Minnesota · 0.5 MI E JCT Csah 3 · Structure no. 55547

Built
1991
34 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
173 ft
3 main spans
Daily traffic
158
1990 count
Owner
City
City or Municipal Highway Agency

About this bridge

M 82 over Mid Fk Zumbro River is a prestressed concrete stringer/multi-beam or girder carrying M 82 over Mid Fk Zumbro River in Olmsted County, Minnesota. It was built in 1991, so it is 34 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 158 vehicles a day, projected to reach 158 by 2029. The structure is 173 ft (52.6 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesM 82
CrossesMid Fk Zumbro River
Location0.5 MI E JCT Csah 3
RouteCity Street 82
Coordinates44.19502, -92.63792
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.3 US tons
Inventory rating29.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length173 ft (52.6 m)
Longest span57 ft (17.4 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic158 (1990)
Projected traffic158 by 2029
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

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 82 over Mid Fk Zumbro River built?

It was built in 1991, making it 34 years old in 2025.

What condition is M 82 over Mid Fk Zumbro 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 December 2024.

How much traffic does M 82 over Mid Fk Zumbro River carry?

About 158 vehicles per day (1990 count).

How long is M 82 over Mid Fk Zumbro River?

The structure is 173 ft (52.6 m) long with a longest span of 57 ft (17.4 m) and a deck 35 ft wide.

Who owns M 82 over Mid Fk Zumbro River?

It is owned by the City or Municipal Highway Agency.