ANCHORAGE - The state Department of Transportation said a two-lane bridge across the Knik Arm and roads connecting to it would cost $686 million.
The estimate was prepared by a consultant for the state and is the first independent assessment of how much the long-talked about span would cost.
The new estimate is slightly more than an estimate released in December by the Knik Arm Bridge and Toll Authority. That agency was created by the state during former Gov. Frank Murkowski's administration to push for the crossing.
The new estimate reports the Knik project is likely to contain pricey, hard-to-anticipate risks that will have to be shared by the state and the bridge authority if the crossing is found to be feasible.
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