Sarpy County Bridge File Management and Maintenance Program

Transcription

1 Sarpy County Bridge File Management and Maintenance Program Dr. Dennis L. Wilson, PE Sarpy County Engineer Overview n Introduction n Bridge File Contents n Bridge Data Tracking n Key Resources Introductions n Dennis L. Wilson Bachelor's degree in xxx from UNL Ph. D in xxx from xxx XX Years of Experience in the field of Engineering 5 Years as County Engineer Sarpy County, Nebraska n Smallest county in Nebraska by area, 3 rd largest by population (160,000 residents) n Rapid changes from agricultural lands to suburban-style development n 700 lane-miles of County-maintained roadways Surrounded on three sides by rivers = Plenty of Bridges! 1

2 Sarpy Bridge Statistics n 106 County-Maintained Bridges/Crossings 93 bridges requiring regular inspections 24 fracture critical bridges 15 scour critical bridges 25 functionally obsolete bridges (NDOR Assessment) 7 structurally deficient bridges (NDOR Assessment) 1 required underwater inspection Bridge File Contents NE Bridge Statute Establish a Filing System The county highway superintendent or some other qualified person designated by the county board shall keep in his office a road record which shall include a record of the proceedings in regard to the laying out, establishing, changing, or discontinuing of all roads in the county hereafter established, changed or discontinued, and a record of the cost and maintenance of all such roads. Such person shall record in the bridge record, a record of all county bridges and culverts showing number, location and description of each, and a record of the cost of construction and maintenance of all such bridges and culverts. Such person shall cause to be firmly posted or attached upon each bridge in a conspicuous place at each end thereof a board or metal sign showing the carrying capacity or weight which the bridge will safely carry or bear. (Neb. Rev. Stat ). n Assemble mandatory components of Bridge Records per NDOR BIP Manual n Maintain hard copy or electronic records of each component n Have a hard copy file for each bridge segmented by components, have a list of electronic files and network locations 2

3 4/22/15 Mandatory Components of Bridge File and Records File Management BRIDGE FILE CABINET PLANS / SPECS BRIDGE FILE REPORTS / INSPECTIONS / MAINENANCE SITE PHOTOS From NDOR BIP Manual, Revision 2, 2013 Inspection Tracking and Load Ratings Original Plans and Specs Maintaining the original plans is key to maintenance and repair operations. Maintain bridge inspections prepared for each bridge. Review load rating reports, update bridge signage. Log loads that exceed bridge load limits. 3

4 4/22/15 Maintenance Documentation Crews document any maintenance/ repair work completed on bridges. All documentation kept in bridge file. Scour Critical Bridges NDOR Completes Bridge Scour Assessments for bridges Keep Scour Documentation in Bridge file Scour Critical Bridges Maintain P.O.A. Inspection Log Complete inspections after major storm events 3 inches of rain in 24 hours for Sarpy bridges Bridge Scour Plan of Action (P.O.A.) Form 385c Closure Plan Notification of Maintenance, Public Safety, and Media Contacts Detour Route 4

5 4/22/15 Site Photos Photos can show how the bridge has changed over time Index of Electronic Files Create an electronic file index for each bridge file if some files are electronic only. Keep a paper copy of index in hard copy bridge file Bridge 46 Excel Bridge Tracking Information organized and quickly accessible Bridge Data Tracking 5

6 Tracking Load Ratings n Sortable columns provides fast planning assistance Overall Bridge Map n Bridge Summary in AutoCAD or GIS provides convenient graphical representation. Specialized Maps n CAD or GIS Layers simplifies efforts for making custom maps as needed Key Resources n NDOR Bridge Inspection Manual n NDOR Bridge Personnel n Sarpy County Public Works Staff Structurally Deficient Bridges 6

7 Questions? 7