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LEGEND:

Project Marker Project

Project With Road Closure Project with

       ROAD CLOSURE

KTN NORTH TONGASS BRIDGE IMPROVEMENTS, WATERFALL CREEKS ROAD CONSTRUCTION through January
What You Need to Know
  • Through January 15, 2020, construction crews are working at the Waterfall Creek Bridges at MP 13.9 and 14.5.
  • Crews are working between Mud Bay Road at Seaborne Marine to Waterfall Creeks project area, moving large girders out to the bridge site for setting girders for the future bridges.
  • Drivers should expect INTERMITTENT LANE CLOSURES of the Tongass Highway at the bridge construction site. 
  • From Thursday, December 5 to Monday, December 23 girder movement and setting will continue.  
  • Drivers should expect slow traffic and short DELAYS on the Tongass Highway. Watch for lead and chase vehicles and flagging operations.  
  • Drivers should expect ONE-LANE TRAFFIC and DELAYS on the bridges, with reduced speeds of 15 MPH and flagging operations.
  • Please follow all posted signs and watch for construction vehicles entering the roadway.
Project End Result

The Department of Transportation, in cooperation with Orion Marine Constructors, Inc., is working to replace the existing wood bridges at First and Second Waterfall Creeks with full width, two-lane concrete bridges free of load restrictions, with smooth asphalt driving surfaces and modern guardrail. Work is expected to be complete in summer 2020.

Contractor Information

Orion Marine Constructors, Inc.

Contractor Number
907-247-1656
DOT Number
907-360-1721
DOT Hotline
907-205-2323

Special Accommodations Contact:

Those people who reside in construction zones and may require special accommodations should call the DOT Highway Construction Engineer at 907-269-0450 (TTY 907-269-0473).

Safety in all construction zones:

  • Traffic fines are double
  • Watch for changing driving surfaces
  • Watch for reduced speed limits
  • Be alert to and follow directions of flaggers
  • Drive with headlights on
  • Allow additional time when traveling
  • Watch for equipment and workers