US Bridges

Mn 220 over Sand Hill River

Fair

Polk County, Minnesota · 0.5 MI W of Climax · Structure no. 9239

Built
1957
68 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
225 ft
3 main spans
Daily traffic
756
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 220 over Sand Hill River is a steel continuous stringer/multi-beam or girder carrying Mn 220 over Sand Hill River in Polk County, Minnesota. It was built in 1957, so it is 68 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 756 vehicles a day, roughly 16% of them trucks, projected to reach 850 by 2042. The structure is 225 ft (68.5 m) long and 35 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesMn 220
CrossesSand Hill River
Location0.5 MI W of Climax
RouteState Highway 220
CountyPolk County
StateMinnesota
Coordinates47.60776, -96.82642
Functional classRural Minor Arterial

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 protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating60.7 US tons
Inventory rating36.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length225 ft (68.5 m)
Longest span85 ft (25.9 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic756 (2022)
Projected traffic850 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 220 over Sand Hill River built?

It was built in 1957, making it 68 years old in 2025.

What condition is Mn 220 over Sand Hill 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 2023.

How much traffic does Mn 220 over Sand Hill River carry?

About 756 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is Mn 220 over Sand Hill River?

The structure is 225 ft (68.5 m) long with a longest span of 85 ft (25.9 m) and a deck 35 ft wide.

Who owns Mn 220 over Sand Hill River?

It is owned by the State Highway Agency.