Load and Resistance Factor Rating. The load capacity of each bridge shall be rated in terms of the AASHTO LRFD HL-93 design vehicle at both the inventory and operating levels and the Mississippi Legal Load Trucks at the legal load rating level. The posting of bridges for maximum loads shall be based on the legal load rating using typical Mississippi Legal Load Trucks. A systematic procedure shall be followed in the load rating of bridges so that the information may be retained and utilized in the routing of permit loads. The CONSULTANT shall provide a Bridge Load Rating Report of all bridges, which will include a summary showing all load ratings in a tabulated form, calculations, supporting documentation, and electronic copies of computer program input files. The Bridge Load Rating Report shall be signed, sealed, and dated by the CONSULTANT’S engineer. A PDF set of the Load Rating Report shall be submitted to Bridge Division at the time Final Plans are submitted. Input files from all load rating software shall be included in the submittal. Final contract plans shall be submitted as original drawings. The CONSULTANT shall prepare all special provisions pertinent to the intent of the plans unless the CLIENT has on hand suitable special provisions that will be used. The CONSULTANT shall prepare the legal advertisement on behalf of the CLIENT. The legal advertisement shall meet all local, state, and federal regulations and shall be approved by the CLIENT or the CLIENT’s attorney prior to publication. The CONSULTANT shall maintain current records of all plan holders, provide responses to contractor requests for information, issue any necessary addenda, and attend the bid opening.
Load and Resistance Factor Rating. The load capacity of each bridge shall be rated in terms of the AASHTO LRFD HL- 93 design vehicle at both the inventory and operating levels and the Mississippi Legal Load Trucks, Fixing America’s Surface Transportation Act (FAST Act) Emergency Vehicles, and any other trucks specified by MDOT during the course of the Work Assignment at the legal load rating level. The posting of bridges for maximum loads shall be based on the legal load rating using typical Mississippi Legal Load Trucks and FAST Act Emergency Vehicles. A systematic procedure shall be followed in the load rating of bridges so the information may be retained and utilized in the routing of permit loads. The CONSULTANT shall provide a Bridge Load Rating Report of all bridges, which will include a summary showing all load ratings in a tabulated form, calculations, supporting documentation, and electronic copies of all computer program input files (original format and PDF). The Bridge Load Rating Report shall be signed, sealed, and dated by the CONSULTANT’S engineer. A PDF set of the Load Rating Report shall be submitted to Bridge Division at the time Final Plans are submitted. Input files from all load rating software shall be included in the submittal.
