Minnesota State Highway 3

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Trunk Highway 3 marker

Trunk Highway 3
Route information
Maintained by Mn/DOT
Length: 43.749 mi[1] (70.407 km)
Existed: 1963 – present
Major junctions
South end: MN 21 at Faribault

MN 19 / MN 246 at Northfield
MN 50 at Farmington
County 42 at Rosemount
MN 149 at Inver Grove Heights
MN 55 at Inver Grove Heights

I-494 at Inver Grove Heights
North end: MN 110 at Inver Grove Heights
Counties: Rice, Dakota
Highway system
  • Minnesota Trunk Highways
US 2 MN 4

Minnesota State Highway 3 (MN 3) is a state highway in Minnesota, which runs from its intersection with MN 21 in Faribault and continues north to its northern terminus at an interchange with MN 110 in Inver Grove Heights. MN 3 is 44 miles (71 km) in length.

Route description[edit]

MN 3 serves as a north–south route between Faribault, Northfield, Farmington, Rosemount, Eagan and Inver Grove Heights.

MN 3 travels southbound through a series of rolling, wooded hills, over a mostly straight path between its interchange with I-494 to its interchange with MN 55 in Inver Grove Heights. After its junction with MN 55, MN 3 travels along the inside of a valley for a few miles in Eagan, then diverges from the valley, and follows a rail line from Eagan into Rosemount. This portion of the route is heavily wooded, and has many sharp turns with speed limits ranging from 30 to 45 miles per hour (48 to 72 km/h); at least one sharp turn is inadequately banked. Between Rosemount and Farmington, MN 3 straightens out, and becomes much flatter. This section passes through several farm fields, including a turf farm. The open fields continue to Northfield, though the route begins sloping downward as it enters the city.

Legally, MN 3 is defined as legislative routes 1, 115, and 334 in the Minnesota Statutes. The route is not marked with those numbers.


MN 3 was established in 1963, from the southern portion of former MN 218. This route was originally numbered 65 as part of old U.S. Highway 65 (US 65) from 1927 to 1934. It was built between Faribault and MN 149 in Inver Grove Heights and was paved as early as 1929.[2]

The route was renumbered 218 in 1934 as part of old US 218 from 1934 to 1935, which was eventually redesignated MN 218 from 1935 to 1963. The route was renumbered MN 3 in 1963.[2]

MN 3 follows a roadway from Faribault to Inver Grove Heights that previously extended north through West St. Paul, downtown Saint Paul, and ended at the State Capitol. This section is still under state maintenance as unmarked MN 952.

The route was once part of the Jefferson Highway, an automobile highway stretching through the central U.S. until the late 1920s. MN 3 is still part of unmarked Constitutional Route 1.

From the late 1970s to 1994, MN 3 was previously routed on the Lafayette Freeway through South St. Paul / West St. Paul to downtown Saint Paul. Nearby US 52 was routed on a stretch of Robert Street during this period of time. The Lafayette Freeway was completely constructed in 1994, US 52 was then rerouted along that route and MN 3 was shortened to its current northern terminus at its junction with MN 110 in Inver Grove Heights.[2]

Major intersections[edit]

County Location mi[1] km Destinations Notes
Rice Faribault 0.000 0.000 MN 21 (Lyndale Avenue)
Dundas 10.672 17.175 County 1 (110th Street)
Northfield 12.299 19.793 MN 246 east (Woodley Street)
12.766 20.545 MN 19 west (5th Street) South end of MN 19 concurrency
13.036 20.979 MN 19 east (2nd Street) North end of MN 19 concurrency
Dakota Farmington 25.357 40.808 MN 50 east (Ash Street)
26.015 41.867 County 50 west (Elm Street)
Rosemount 32.559–
County 42 (150th Street)
Eagan 36.776 59.185 County 32 (Cliff Road)
37.791 60.819 County 30 (Diffley Road)
Inver Grove Heights 38.332 61.689 MN 149 north (Jefferson Trail)
MN 55 (Courthouse Boulevard) Interchange
Inver Grove Heights –
Sunfish Lake
I-494 west Interchange
MN 110 Interchange access to I-494 east
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ a b "Statewide Logpoint Listing" (PDF). Minnesota Department of Transportation. Retrieved 22 December 2011. 
  2. ^ a b c Riner, Steve. "Details of routes 1-25". The Unofficial Minnesota Highways Page. Self-published. Retrieved November 28, 2010. [unreliable source?]

External links[edit]

Route map: Bing