Alteration of Unreasonable Obstructive Bridges

33 U.S.C. 494, 502, 511, 513, 514, 515, 516, 517, 521, 522, 523 and 524 authorize Commandant to determine if a bridge is an unreasonable obstruction to navigation and can require plans and specifications from bridge owner (5 CFR 1320) to apportion costs between U.S. and bridge owner and use as starting point for bridge alteration project.

The latest form for Alteration of Unreasonable Obstructive Bridges expires 2021-01-31 and can be found here.