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Printed on:Friday 12/13/2024 03:28 PM 29C0441/AAAG/144221Pageof3 <br />Department of Transportation - Division of Maintenance Structure Maintenance & Investigations <br />6 <br />UNDERWATER INVESTIGATION DETAILS <br />STEEL INVESTIGATION DETAILS <br />SCOPE AND ACCESS <br />All elements were accessible by foot on and around the structure. There was 4 feet of water in the slough in all spans during this <br />investigation. Bents 2 and 3 were submerged. All visible elements were fully inspected. A complete routine inspection was performed. <br />An Underwater Investigation was performed by the Caltrans Underwater Team on 08/05/2020 and included the elements inaccessible <br />from the banks. For more information, see the 08/05/2020 inspection report or the relevant elements in the element table. <br />NUMBERING CONVENTION <br />The alignment of this structure from northwest to southeast does not clearly follow the standard Structure Maintenance & Investigations <br />support numbering convention. The as-builts and past reports have designated the southeast abutment as Abutment 1. This report as <br />well as subsequent reports will also follow this numbering convention. <br />MISCELLANEOUS <br />New routine photos were taken and a new routine map view photo was added during this investigation. See Photos 1 to 4. <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 />258AVERAGE DAILY TRAFFIC <br />2013 YEAR OF ADT <br />6 KMBYPASS, DETOUR LENGTH <br />5 %(109) TRUCK ADT % <br />417FUTURE ADT <br />2042 YEAR 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 />9.4 M <br />8.5 M <br />DECK AND ROADWAY <br />LANES 2 <br />45 <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 />6 EQUAL MIN CRITERIADECK GEOMETRY <br />8.5 MAPPROACH RDWY WIDTH <br />BRIDGE MEDIAN <br />LEFT 0.0 M RIGHT 0.0 MCURB OR SIDEWALK <br />TOTAL WIDTH <br />NET WIDTH <br />8.5 MINVENTORY ROUTE TOTAL HORIZ CLEAR <br />99.99 MINVENTORY ROUTE MIN VERT CLEAR <br />3-ON FREE ROAD <br />09-LOCAL 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 />5-HIGHWAY-PEDESTRIAN <br />DECK ROADWAY/OPERATIONAL INFORMATIONDECK GEOMETRY <br />1.33 ft br, 28.00 ft, 1.33 ft br <br />DECK CROSS SECTION <br />LRS INVENTORY RTE & SUBRTE <br />BASE HIGHWAY NETWORK 0-NOT ON NET <br />1 - FreshWater TypeB - Routine UWDive Type <br />Next UWI 08/05/2025UWI Frequency months 60UWI Required Y Last UWI 08/05/2020 <br />- NOT APPLICABLE FOR THIS BRIDGE. <br />0 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 />32.3 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 />DECK ELEMENT INSPECTION RATINGS AND NOTES <br />Defect/ <br />Prot Defect <br />(58) 7DECK RATING = <br />SPECIAL INSPECTION INFORMATION