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04/30/2020 12:00 PM

Construction begins May 4 on ND Highway 18 south of Mayville

A construction project will begin on ND 18, approximately one mile south of Mayville, on Monday, May 4. The project will include reconstruction of the bridge on ND 18 south of Mayville over the Goose River.

A detour will be in place during the project beginning west of Portland at Traill Co. Rd 16. Traffic will be detoured off Hwy 200/18 onto Co. Rd. 16  for 1 mile then onto 5th St NE. Traffic will continue on 5th St NE until reconnecting with ND 18 just north of the Mayville airport. The detour will be in place through the duration of the project which is expected to be completed in late October.

During construction:

  • Speed limit through detour will be 55 mph on Traill County Road 16 and 40 mph on 5th St. SE which is gravel.
  • A width restriction of 11 ft. will be in place
  • Flaggers will be present until signed detour is in place
  • Motorists should be aware that 5th Ave NE is a gravel roadway and drive accordingly

Motorists can expect little to no delay.

The NDDOT would like to remind motorists to slow down and use caution throughout the work zone. For more information about construction projects and road conditions throughout North Dakota, call 511 or visit the Travel Information Map on the NDDOT website at