US Bridges

US 61 over Zumbro River

Fair

Wabasha County, Minnesota · 0.9 MI NW of JCT TH 42 · Structure no. 79010

Built
1969
56 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
483 ft
5 main spans
Daily traffic
3,250
2018 count
Owner
State
State Highway Agency

About this bridge

US 61 over Zumbro River is a prestressed concrete stringer/multi-beam or girder carrying US 61 over Zumbro River in Wabasha County, Minnesota. It was built in 1969, so it is 56 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,250 vehicles a day, roughly 9% of them trucks, projected to reach 3,300 by 2038. The structure is 483 ft (147.2 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 61
CrossesZumbro River
Location0.9 MI NW of JCT TH 42
RouteU.S. Route 61
Coordinates44.31218, -92.00328
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.4 US tons
Inventory rating27.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length483 ft (147.2 m)
Longest span96 ft (29.3 m)
Deck width44 ft (13.5 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,250 (2018)
Projected traffic3,300 by 2038
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US 61 over Zumbro River built?

It was built in 1969, making it 56 years old in 2025.

What condition is US 61 over Zumbro River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.

How much traffic does US 61 over Zumbro River carry?

About 3,250 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is US 61 over Zumbro River?

The structure is 483 ft (147.2 m) long with a longest span of 96 ft (29.3 m) and a deck 44 ft wide.

Who owns US 61 over Zumbro River?

It is owned by the State Highway Agency.