Laserfiche WebLink
ADMINISTRATIVE BRIDGE RATING SUMMARY <br />07101 <br />Liberty Road <br />08103700 <br />Concrete Chanr <br />40 ft <br />38 ft <br />Unknown <br />1977 <br />Unknown, assur <br />10/1/2015 <br />FIELD EVALUATION DATE: 6/27/2017 see NBI ratings below <br />RATING & EVALUATION BY: T. Whiteman. PE <br />CHECKED BY: M. L. Frymoyer, PE, SE <br />YEAR OF ADTT: 2014 ADTT: 9 <br />17 <br />ADMINISTRATIVE LOAD RATING RESULTS <br />DESIGN RATING Rating Factor YL Rating -WSBIS <br />TonsJ1553/1552 <br />tem No. <br />HS - 20 Inventory0.49 1.75 17556/1555 <br />HS - 20 Operating0.64 1.35 23 <br />LEGAL & NRL LOADS <br />Rating Factor <br />Posting Load <br />(Tons) <br />WSBIS <br />Item No. <br />AASHTO 1 (Type 3 <br />1.00 <br />- <br />2587 <br />AASHTO 2 (Type 3S-2 <br />1.00 <br />- <br />2588 <br />AASHTO 3 (Type 3-3 <br />1.00 <br />- <br />2589 <br />Notional Rating Load NRL <br />0.69 <br />- <br />2590 <br />Special Haul Vehicle (SU4) <br />0.88 <br />23 <br />2591 <br />Special Haul Vehicle (SU5) <br />0.83 <br />25 <br />2592 <br />Special Haul Vehicle (SU6) <br />0.76 <br />26 <br />2593 <br />Special Haul Vehicle (SU7) <br />0.72 <br />27 <br />2594 <br />PERMIT LOADS <br />Rating Factor <br />Rating - <br />Tons <br />WSBIS <br />Item No. <br />WSDOT Overload 1 <br />0.75 <br />36 <br />2595 <br />WSDOT Overload 2 <br />0.71 <br />73 <br />2596 <br />1. Recommended posting of bridge for SU4, SU5, SU6, and SU7 vehicles. <br />2. Overload trucks shall not be permitted to use bridge. <br />Posting recommendation based on span length (assumed capacity based on similar channel girder section). <br />Administrative Load Ratings is based on 1) a 2097 site visit to evaluate structural condition of the primary gravity load carrying <br />members by two certified bridge inspectors and licensed engineers 2) assumption of design load based on year of construction and <br />WSDOT guidelines and 3) judgement of the Engineer which includes review of the latest bridge inspection report, similar girder type <br />and truck traffic using the bridge <br />Rating factors are based on guidelines in WSDOT Bridge Inspection Manual (2097), Section 5.02C for Bridges with Unknown Structural <br />Components. Future reduction of the IVB! Ratings shown below requires a re-evaluation of this load rating by a qualified <br />RATING METHOD (WSBIS 155111554): 0 <br />BRIDGE CONDITION BASED ON FIELD EVALUATION PERFORMED BY CERT. BRIDGE INSPECTOR/ PROF. ENGINEER; <br />NBI - SUPERSTRUCTURE 7 Good Condition <br />NBI - SUBSTRUCTURE 7 Good Condition <br />