Traffic impacts
I-90 overnight detour at 4th St.
Scheduled 8 p.m. on July 15 to 6 a.m. on July 16 for concrete bridge deck pour
- Eastbound I-90 traffic will be detoured off I-90 at Highway 105/Oakland Avenue bridge (Exit 175) on the west side of Austin and follow Highway 105 south and east to Mower County Road 28 east to Highway 218 north and then reconnect with I-90. Eastbound motorists will be able to exit further east at Highway 218 (14th Street Northwest), which is Exit 177, but no travel is allowed beyond on I-90.
- Westbound I-90 traffic will be detoured off I-90 at Highway 218 south (Exit 180 B) on the east side of Austin. Travel south on Highway 218 to Mower County Road 28 west to Highway 105 north where it will reconnect with I-90 on the west side of Austin at the Highway 105/Oakland Avenue bridge. Westbound traffic will be able reach Austin destinations by using exits at:
- Oakland Place Northeast (Exit 180 A)
- 11th Drive Northeast (Exit 179)
- 6th Street Northeast (178B) - No traffic will be allowed past this exit during the nightly closures.

I-90 eastbound ramps at 4th St. closed
Scheduled through mid-July 2025
- Motorists can reach businesses using a temporary road on the east side of 4th St.
- Motorists can use the Hwy 218/14th St. NW exit.
4th St. bridge closed and I-90 westbound ramps at 4th St. closed
Scheduled through fall 2025
I-90 westbound ramps at 4th St. NW will remain closed until the 4th St. bridge construction is completed in fall 2025.
- Detour for I-90 westbound on-ramp if north of I-90, go west on 18th Ave. NW, south on Hwy 218 and exit to I-90.
- Detour for I-90 westbound on-ramp if south of I-90, go west on W. Oakland Ave. and exit to I-90.
- Detour for I-90 westbound off-ramp is to take the 14th St. NW/Hwy 218 north exit (Exit 177).
- To reach 4th St. north of I-90, take a right onto Hwy 218 and a right on 18th Ave. NW which intersects with 4th St. NW.
- To reach 4th St. south of I-90, take a left onto 14th St. NW, left on W. Oakland Ave/1st Ave. SW which intersects with 4th St. SW.
On-ramp to I-90 westbound from 6th St. NE closed
Scheduled through fall 2025
- Detour for I-90 westbound on-ramp is to travel eastbound on I-90, exit at Exit 179 (11th Dr. NE), cross over and return to I-90 westbound.
- The off-ramp from I-90 westbound to 6th St. NE is open and I-90 eastbound ramps are open.
I-90 westbound lanes are closed between W. Oakland Ave./Hwy 105 and Hwy 218/21st St. NE
Scheduled through fall 2025
I-90 traffic will be in the eastbound lanes with eastbound and westbound traffic using single lanes adjacent to each other.