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Printed on:Tuesday 05/28/2024 04:22 PM 29C0010/AAAT/128920Pageof3 <br />Department of Transportation - Division of Maintenance Structure Maintenance & Investigations <br />8 <br />UNDERWATER INVESTIGATION DETAILS <br />STEEL INVESTIGATION DETAILS <br />SCOPE AND ACCESS <br />The water depth was up to 16 feet of water under Spans 8, 9 and 10 at the time of this inspection. The submerged portion of Piers 9 and <br />10 were not inspected. Span 9 was inspected from different angles in Spans 8 and 10. <br />An Underwater Investigation was performed by the Caltrans Underwater Team on 08/30/2021 and follows the procedures of Section 5.4 <br />of the SM&I Inspection Procedures Manual. All elements listed in the "Underwater Elements Investigated" section of the report were <br />inspected. For more information, see the 08/30/2021 inspection report or the relevant elements in the element table. (add if anything was <br />found or not found during the UWI). <br />WATERWAY <br />There is approximately 5 cubic yards of debris on the columns at Bent 6. <br />INSPECTION COMMENTARY <br />TYPE OF MEMBRANE <br />TYPE OF DECK PROTECTION <br />DECK STRUCTURE TYPE <br />TYPE OF WEARING SURFACE <br />WEARING SURFACE / PROTECTIVE SYSTEM <br />2987AVERAGE DAILY TRAFFIC <br />2013 YEAR OF ADT <br />32 KMBYPASS, DETOUR LENGTH <br />5 %(109) TRUCK ADT % <br />3765FUTURE ADT <br />2042YEAR OF FUTURE ADT <br />HISTORICAL SIGNIFICANCE 5: NOT ELIGIBLE FOR NRHP <br />0-NONE <br />0-NONE <br />0-NONE <br />1-CIP CONCRETE <br />DECK STRUCTURE INFORMATION <br />10.0 M <br />9.8 M <br />DECK AND ROADWAY <br />LANES 2 <br />55 <br />0-NOT ON NHS <br />PARALLEL STRUCTURE <br />TEMPORARY STRUCTURE <br />DEFENSE HIGHWAY <br />FUNCTIONAL CLASS <br />SPEED <br />NATIONAL HIGHWAY SYSTEM <br />TOLL <br />DIRECTION OF TRAFFIC <br />DESIGNATED NATIONAL NETWORK <br />TYPE OF SERVICE <br />FEDERAL LANDS HWY <br />6 EQUAL MIN CRITERIAAPPR ROADWAY ALIGN <br />4 TOLERABLEDECK GEOMETRY <br />9.8 MAPPROACH RDWY WIDTH <br />BRIDGE MEDIAN <br />LEFT 0.0 M RIGHT 0.0 MCURB OR SIDEWALK <br />TOTAL WIDTH <br />NET WIDTH <br />9.8 MINVENTORY ROUTE TOTAL HORIZ CLEAR <br />99.99 MINVENTORY ROUTE MIN VERT CLEAR <br />3-ON FREE ROAD <br />07-MAJOR COLLECTOR RURAL <br />0-NOT STRAHNET <br />N-NONE EXISTS <br />2-2 WAY <br />0-NOT APPLICABLE <br />0-NOT ON NET <br />0 NO MEDIAN <br />1-HIGHWAY <br />DECK ROADWAY/OPERATIONAL INFORMATIONDECK GEOMETRY <br />0.3 ft br, 32.0 ft, 0.3 ft br <br />DECK CROSS SECTION <br />LRS INVENTORY RTE & SUBRTE <br />BASE HIGHWAY NETWORK 0-NOT ON NET <br />3 - BrackishWater TypeB - Routine UWDive Type <br />Next UWI 08/31/2025UWI Frequency months 60UWI Required Y Last UWI 08/31/2020 <br />- NOT APPLICABLE FOR THIS BRIDGE. <br />3 inchesOVERLAY THICKNESS (inches) <br />N/A <br />(51) <br />(52) <br />(50) <br />(32) <br />(33) <br />(107) <br />(108) <br />A) <br />B) <br />C) <br />(29) <br />(30) <br />(19) <br />(114) <br />(115) <br />(37) <br />(42a) <br />(12) <br />(13) <br />(104) <br />(26) <br />(100) <br />(101) <br />(102) <br />(10) <br />(47) <br />(68) <br />(72) <br />(105) <br />(110) <br />(20) <br />(28a) <br />(103) <br />CONDITION INFORMATION <br />120.1 MLENGTH (49) <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 State <br />16 Top Flange-RC <br />Deck Wearing Surface-Asphalt <br />2 <br />2 <br />594 <br />594 <br />sq.m <br />sq.m <br /> 594 <br /> 594 <br /> 0 <br /> 0 <br /> 0 <br /> 0 <br /> 0 <br /> 0 <br />DECK ELEMENT INSPECTION RATINGS AND NOTES <br />Defect/ <br />Prot <br />510 <br />Defect <br />(16) Top Flange-RC <br />(16-510) Deck Wearing Surface-Asphalt <br />There were no significant defects noted. <br />(58) 7DECK RATING = <br />SPECIAL INSPECTION INFORMATION