Disclaimer on Use of this Information

US Army Corps of Engineers, Rock Island District

Bridge Clearance Calculator

Bridge clearances are calculated from bridge information published by the U .S . Coast Guard and automated stage gauge readings by the U .S . Army Corps of Engineers. While every effort is made to provide timely and accurate information, incorrect data or calculations may result with inaccurate clearances. Mariners are strongly advised to scrutinize all resulting clearances and exercise caution when clearing any bridge over the navigation channel. The United States Government assumes no liability for any and all damages or claims arising out of or related to any and all uses of the information contained on this Website.