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Printed on:Tuesday 11/28/2023 08:21 AM 29C0152/AAAP/117922Pageof3 <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 />There was approximately 7.5 feet of water in the river in Span 5 during the time of this inspection (see Photo 5). Bents 3 through 5 were <br />submerged. A complete routine inspection was performed. <br />An Underwater Investigation was performed on 08/07/2019 and determined the height of exposed corrugated steel at each column has <br />increased, on average, approximately one foot since 08/26/2014. The exposed corrugated steel forms exhibits a light layer of corrosion. <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 />1801AVERAGE DAILY TRAFFIC <br />2013 YEAR OF ADT <br />13 KMBYPASS, DETOUR LENGTH <br />5 %(109) TRUCK ADT % <br />1614FUTURE ADT <br />2037YEAR OF FUTURE ADT <br />HISTORICAL SIGNIFICANCE 5: NOT ELIGIBLE FOR NRHP <br />6-BITUMINOUS <br />0-NONE <br />0-NONE <br />1-CIP CONCRETE <br />DECK STRUCTURE INFORMATION <br />12.8 M <br />12.2 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 />8 EQUAL DESIRABLE CRITAPPR ROADWAY ALIGN <br />7 ABOVE MIN CRITERIADECK 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 />12.2 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 />1.0 ft br, 40.0 ft, 1.0 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 08/07/2024UWI Frequency months 60UWI Required Y Last UWI 08/07/2019 <br />- NOT APPLICABLE FOR THIS BRIDGE. <br />.5 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 />68.9 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 />38 Slab-RC <br />Efflorescence/Rust Staining <br />Deck Wearing Surface-Asphalt <br />Delam./Pothole-AC (WS) <br />2 <br />2 <br />2 <br />2 <br />870 <br />30 <br />500 <br />25 <br />sq.m <br />each <br />sq.m <br />each <br /> 840 <br /> 0 <br /> 475 <br /> 0 <br /> 30 <br /> 30 <br /> 0 <br /> 0 <br /> 0 <br /> 0 <br /> 0 <br /> 0 <br /> 0 <br /> 0 <br /> 25 <br /> 25 <br />DECK ELEMENT INSPECTION RATINGS AND NOTES <br />Defect/ <br />Prot <br />1120 <br />510 <br />Defect <br />3210 <br />(38-1120) Efflorescence/Rust Staining <br />(38-510) Deck Wearing Surface-Asphalt <br />(38-510-3210) Delam./Pothole-AC (WS) <br />There are large areas of mild soffit efflorescence in Spans 7 and 8 (see Photos 6 and 7). <br />The AC overlay does not cover the entire bridge deck. <br />(58) 7DECK RATING = <br />SPECIAL INSPECTION INFORMATION