Minnesota Department of Transportation

511 Travel Info

Hwy 77 / 12th Avenue bridges at I-494

Bloomington, Richfield

Traffic impacts

Map of Hwy 77 bridges over I-494 project area
Click map for larger PDF version.

Dates are dependent on weather and project readiness.

Road closures

There will be two additional overnight closures of I-494 at Hwy 77 in October, eastbound and westbound I-494 will close on separate nights. Closure dates will be posted as soon as they are determined.

Sept. 23 through Oct. 10

The 12th Avenue Bridge will be closed.

  • Southbound 12th Avenue detour: Westbound 77th Street, southbound Portland Avenue and eastbound American Boulevard
  • Northbound 12th Avenue detour: Westbound American Boulevard, northbound Portland Avenue and eastbound 77th Street

View detour map (PDF, 102 KB, 1 page)

Lane/ramp closures


  • Hwy 77 traffic will periodically shift as crews work on each Hwy 77 bridge deck through early October.
  • The northbound Hwy 77 ramps to and from I-494 are closed through mid-October. Detour signs will be posted.
    • Eastbound I-494 to northbound Hwy 77 detour: Use northbound 34th Street and westbound I-494.
    • Northbound Hwy 77 to westbound I-494 detour: Use the I-494/Hwy 5 west exit that is located one-half mile south of the I-494/Hwy 77 interchange

About this project

There will be overnight work and noise associated with the project.

Summary of work

  • Remove and replace the northbound Hwy 77/Cedar Avenue bridge deck over I-494
  • Reconstruct bridge approach panels on northbound Hwy 77 bridge
  • Repair 12th Avenue and both southbound Hwy 77 bridges over I-494


  • $2.3 million