RFP Little Bighorn R - Crow Agency 9990000

2026-11-03

The project will replace a pair of existing structures on I - 90 . The first of these facilities is an Eastbound Structure ( ID 01813 ) and the other being a Westbound Structure ( ID 01814 ), both are in fair / poor condition . The project will potentially include ( but is not limited to ) roadway design ; traffic engineering , operations analysis and design ; geotechnical investigation , analysis , and design ; survey ( control survey , mapping and engineering survey ); environmental evaluation and permitting ; bridge design ; hydraulics analysis and design ; local agency and other stakeholder coordination . The project will also include work for flood mitigation to convey water from the interchange with MT - 212 . A series of 3 double RCB ’ s will be used to convey water through the interchange , between the railroad and interstate , and back to the Little Bighorn River at the bridge crossing . Grading will also be required at the interchange and at a bridge crossing south of the interchange .

Montana

2026-04-29