US Bridges

Mn 60 over S Fk Watonwan River

Fair

Watonwan County, Minnesota · 4.8 MI W of S JCT TH 15 · Structure no. 83029

Built
1975
50 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
168 ft
3 main spans
Daily traffic
3,300
2016 count
Owner
State
State Highway Agency

About this bridge

Mn 60 over S Fk Watonwan River is a prestressed concrete stringer/multi-beam or girder carrying Mn 60 over S Fk Watonwan River in Watonwan County, Minnesota. It was built in 1975, so it is 50 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 3,300 vehicles a day, roughly 19% of them trucks, projected to reach 3,300 by 2039. The structure is 168 ft (51.2 m) long and 44 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesMn 60
CrossesS Fk Watonwan River
Location4.8 MI W of S JCT TH 15
RouteState Highway 60
Coordinates43.97809, -94.52297
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.8 US tons
Inventory rating41.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length168 ft (51.2 m)
Longest span56 ft (17 m)
Deck width44 ft (13.5 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,300 (2016)
Projected traffic3,300 by 2039
Trucks19%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Mn 60 over S Fk Watonwan River built?

It was built in 1975, making it 50 years old in 2025.

What condition is Mn 60 over S Fk Watonwan 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 July 2024.

How much traffic does Mn 60 over S Fk Watonwan River carry?

About 3,300 vehicles per day (2016 count), of which roughly 19% are trucks.

How long is Mn 60 over S Fk Watonwan River?

The structure is 168 ft (51.2 m) long with a longest span of 56 ft (17 m) and a deck 44 ft wide.

Who owns Mn 60 over S Fk Watonwan River?

It is owned by the State Highway Agency.