ST. PAUL, Minn. – The Minnesota Department of Transportation today selected Flatiron Constructors, Inc./Manson Construction, a joint venture, as the apparent bid winner to build the Interstate 35W replacement bridge as a design-build project.
Flatiron, headquartered in Longmont, Colo., and Manson, headquartered in Seattle, Washington, were selected over three other companies, including Ames/Lunda, and C.S McCrossan and Walsh Construction/American Bridge.
The “best value” selection process used a computation that included an evaluation score for project proposals, the price to build, the number of days to construct, and a road user cost.
Flatiron had the highest technical score of 91.47. Walsh American was second with 67.88, McCrossan was third with 65.91 and Ames/Lunda was fourth with 55.98.
Flatiron’s bid was to build the bridge in 437 days for a cost of $233,763,000. Walsh/American bid $219,000,000 with a build time of 437 days. McCrossan bid $176,938,000 with a build time of 367 days. Ames/Lunda bid $178,489,000 and would build the bridge in 392 days.
More details on the winning proposal as well as the others will be available when Mn/DOT has completed the procurement process with a signed contract, which should occur within the next 30 days
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