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Printed on:Thursday 08/10/2023 12:17 PM 29C0290/AAAW/109129Pageof4 <br />Department of Transportation - Division of Maintenance Structure Maintenance & Investigations <br />8 <br /> 12.0Max. Water Depth <br />N/AContract No. <br />N/AContractor <br />D - Surface suppliedDive Mode <br />Shane StirlingDiverRobert Hugel <br />Supervisor Jonathan Boynton <br />Tender <br />Mitch MillerBackup Diver <br />UNDERWATER INVESTIGATION DETAILS <br />Max. Visibility <br />Water Surface Elev. <br />ft <br />ft 2.0 <br />STEEL INVESTIGATION DETAILS <br />Bent 2 <br />Bent 3 <br />Bent 4 <br />Bent 5 <br />Bent 6 <br />Bent 7 <br />Bent 8 <br />Bent 9 <br />Bent 10 <br />Bent 11 <br />Bent 12 <br />Bent 13 <br />Location <br /> 2.0 <br /> 6.0 <br /> 9.0 <br /> 11.0 <br /> 10.0 <br /> 10.0 <br /> 9.0 <br /> 7.0 <br /> 7.0 <br /> 4.0 <br /> 3.0 <br /> 1.5 <br />Depth(ft) <br /> 1.0 <br /> 1.0 <br /> 1.0 <br /> 1.0 <br /> 1.0 <br /> 1.0 <br /> 1.0 <br /> 1.0 <br /> 1.0 <br /> 1.0 <br /> 1.0 <br /> 1.0 <br />Vel(ft/s) <br />Rock Slope Protection <br />Mud with plants <br />Mud with plants <br />Mud with plants <br />Mud with some gravel <br />Mud with plants <br />Mud with plants <br />Mud with plants <br />Mud with plants <br />Mud with plants <br />Mud with plants <br />Mud with plants <br />Channel Material <br />4 ea - El 206 - Column-Timber <br />4 ea - El 206 - Column-Timber <br />4 ea - El 206 - Column-Timber <br />4 ea - El 206 - Column-Timber <br />4 ea - El 206 - Column-Timber <br />4 ea - El 206 - Column-Timber <br />4 ea - El 206 - Column-Timber <br />4 ea - El 206 - Column-Timber <br />4 ea - El 206 - Column-Timber <br />4 ea - El 206 - Column-Timber <br />4 ea - El 206 - Column-Timber <br />4 ea - El 206 - Column-Timber <br />Element Description <br />UNDERWATER ELEMENTS INVESTIGATED <br />Column 4: 7.0 feet <br />Bent 11: <br />Column 1: 4.0 feet <br />Column 4: 4.0 feet <br />Bent 12: <br />Column 1: 3.0 feet <br />Column 4: 2.0 feet <br />Column 3 - CS 2 check near the top of the column. <br />Bent 13: <br />Column 1: 1.5 feet <br />Column 4: 1.5 feet <br />Element 206, Column - Timber <br />See ELI table for condition state and rating. <br />WATERWAY <br />Prior to this inspection the NBI Item 61, Channel and Channel Protection, rating was 7. The conditions present on the date of this UWI <br />are consistent with that coding. <br />Prior to this underwater investigation, NBI Item 113 (Scour Critical Bridges) had been coded 5 during the scour evaluation documented in <br />the 06/17/2008 Hydraulic Inspection report. The conditions on the date of the inspection are consistent with the definition of a rating of 5. <br />INSPECTION COMMENTARY <br />ft <br />3 - BrackishWater TypeB - Routine UWDive Type <br />Next UWI 05/04/2028UWI Frequency months 60UWI Required Y Last UWI 05/04/2023 <br />- NOT APPLICABLE FOR THIS BRIDGE. <br />CONDITION INFORMATION <br />1Max. Water Velocity ft/s <br />SPECIAL INSPECTION INFORMATION