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Printed on:Sunday 03/03/2024 07:24 AM 29C0249/AAAO/122389Pageof6 <br />Department of Transportation - Division of Maintenance Structure Maintenance & Investigations <br />8 <br />DESCRIPTION UNDER STRUCTURE <br />CHANNEL DESCRIPTION <br />rectangular channel with dirt slopes <br />TYPE OF SERVICE UNDER <br />N NOT APPLICABLE (NBI)UNDERCLEARANCES V - H <br />6 EQUAL MINIMUMWATER ADEQUACY <br /> MVERT-LIFT BRIDGE NAV MIN VERTICAL CLEAR <br />NAVIGATION CONTROL <br />0.0 MNAVIGATION HORIZONTAL CLEARANCE <br />0.0 MNAVIGATION VERTICAL CLEARANCE <br />PIER PROTECTION <br />0: NO CONTROL5-WATERWAY <br />3 SC - UNSTABLESCOUR <br />07/14/2021SCOUR POA DATE <br />CHANNEL PROTECTION 8 PROTECTED <br />N/A <br />(42b) <br />(69) <br />(71) <br />(61) <br />(113) <br />(38) <br />(111) <br />(39) <br />(116) <br />(40) <br />SUPERSTRUCTURE ELEMENT INSPECTION RATINGS AND NOTES - NONE <br />204 <br />210 <br />215 <br />220 <br />226 <br />234 <br />256 <br />Column-PS Conc. <br />Delamination/Spall/Patched Area <br />Cracking (PS Conc.) <br />Pier Wall-RC <br />Delamination/Spall/Patched Area <br />Abutment-RC <br />Pile Cap/Footing-RC <br />Pile-PS Conc. <br />Scour <br />Pier Cap-RC <br />Slope Protection <br />2 <br />2 <br />2 <br />2 <br />2 <br />2 <br />2 <br />2 <br />2 <br />2 <br />2 <br />60 <br />1 <br />1 <br />22 <br />1 <br />22 <br />15 <br />7 <br />7 <br />18 <br />3 <br />each <br />each <br />each <br />m <br />each <br />m <br />m <br />ea. <br />each <br />m <br />ea. <br /> 58 <br /> 0 <br /> 0 <br /> 21 <br /> 0 <br /> 22 <br /> 15 <br /> 0 <br /> 0 <br /> 18 <br /> 3 <br /> 1 <br /> 0 <br /> 1 <br /> 0 <br /> 0 <br /> 0 <br /> 0 <br /> 7 <br /> 7 <br /> 0 <br /> 0 <br /> 1 <br /> 1 <br /> 0 <br /> 1 <br /> 1 <br /> 0 <br /> 0 <br /> 0 <br /> 0 <br /> 0 <br /> 0 <br />SUBSTRUCTURE ELEMENT INSPECTION RATINGS AND NOTES <br /> 0 <br /> 0 <br /> 0 <br /> 0 <br /> 0 <br /> 0 <br /> 0 <br /> 0 <br /> 0 <br /> 0 <br /> 0 <br />1080 <br />1110 <br />1080 <br />6000 <br />SUPERSTRUCTURE <br />SUBSTRUCTURE <br />SUPERSTRUCTURE RATING =(59) 7 <br />SUBSTRUCTURE RATING =(60)7 <br />(204-1080) Delamination/Spall/Patched Area <br />(204-1110) Cracking (PS Conc.) <br />(210-1080) Delamination/Spall/Patched Area <br />(215) Abutment-RC <br />(220) Pile Cap/Footing-RC <br />(226-6000) Scour <br />(234) Pier Cap-RC <br />Routine Inspection Element Notes: <br />Element DescriptionElem <br />No. <br />Env Total <br />Qty <br />Units <br />CS 1 CS 2 CS 3 CS 4 <br />Qty in each Condition StateDefect/ <br />Prot Defect <br />There are two up to eight inch diameter spalls without exposed rebar in Column 2 in Bent 7 (see Photos 14 and 15) <br />There is a 0.02 inch wide by ten inch long horizontal crack on top of Column 2 at Bent 9, Span 8 side (see Photo 13 BIR 01/24/2020). <br />There is a one foot diameter by half inch deep spall at the left (downstream) nose of Pier 18 with no exposed rebar (see Photo 14 <br />BIR 01/19/2022). There is a one foot long by two inch wide spall/rock pocket at the base of Pier 18 left side co-located with the <br />previous described spall (see Photo 15 BIR 01/19/2022). <br />There were no significant defects noted. <br />The top of the Pier 18 footing was previously exposed (see Photos 15 and 16 BIR 01/19/2022) and currently is minimally exposed but <br />embedded in shotcrete (see Photo 16). <br />Four of the piles along Bent 19 are exposed up to two feet (see Photos 17 and 18). <br />There are leakage stains on the pier caps at Bents 8 and 15 detailed under Item 2310 Leakage (Joints). There were no significant <br />defects noted. <br />Non-Routine Inspection Element Notes: <br />Hydraulic Inspection 10-22-2020: At Pier 18, 3 piles are exposed on the upsteam side of the pile cap. Undermining is 2 to 3 feet <br />vertical and tapers to no undermining approximately 1/2 the length of pile cap on the Span 18 side.