US Bridges

Mn 32 over Sand Hill River

Good

Polk County, Minnesota · 1.7 MI S of JCT TH 102 · Structure no. 60023

Built
2004
21 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
98 ft
1 main span
Daily traffic
2,038
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 32 over Sand Hill River is a prestressed concrete stringer/multi-beam or girder carrying Mn 32 over Sand Hill River in Polk County, Minnesota. It was built in 2004, so it is 21 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 2,038 vehicles a day, roughly 14% of them trucks, projected to reach 2,250 by 2042. The structure is 98 ft (30 m) long and 47 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesMn 32
CrossesSand Hill River
Location1.7 MI S of JCT TH 102
RouteState Highway 32
Coordinates47.52476, -96.28254
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating93.1 US tons
Inventory rating48.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length98 ft (30 m)
Longest span97 ft (29.5 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,038 (2022)
Projected traffic2,250 by 2042
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

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 32 over Sand Hill River built?

It was built in 2004, making it 21 years old in 2025.

What condition is Mn 32 over Sand Hill 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 May 2023.

How much traffic does Mn 32 over Sand Hill River carry?

About 2,038 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is Mn 32 over Sand Hill River?

The structure is 98 ft (30 m) long with a longest span of 97 ft (29.5 m) and a deck 47 ft wide.

Who owns Mn 32 over Sand Hill River?

It is owned by the State Highway Agency.