Overview Sarpy County Bridge File Introduction Management ... · Management and Maintenance Program...
Transcript of Overview Sarpy County Bridge File Introduction Management ... · Management and Maintenance Program...
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Sarpy County Bridge File Management and
Maintenance Program 2015 Nebraska Bridge Conference
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, 3rd 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!
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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 “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. § 39-1411).
Establish a Filing System
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
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Mandatory Components of Bridge File and Records
From NDOR BIP Manual, Revision 2, 2013
File Management
PLANS / SPECS
REPORTS / INSPECTIONS / MAINENANCE
SITE PHOTOS BRIDGE FILE
BRIDGE FILE CABINET
Original Plans and Specs
n Maintaining the original plans is key to maintenance and repair operations.
Inspection Tracking and Load Ratings
n Maintain bridge inspections prepared for each bridge.
n Review load rating reports, update bridge signage.
n Log loads that exceed bridge load limits.
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Maintenance Documentation
n Crews document any maintenance/ repair work completed on bridges.
n All documentation kept in bridge file.
Scour Critical Bridges
n Maintain P.O.A. Inspection Log
n Complete inspections after major storm events
n 3 inches of rain in 24 hours for Sarpy bridges
Scour Critical Bridges
n NDOR Completes Bridge Scour Assessments for bridges
n Keep Scour Documentation in Bridge file
Bridge Scour Plan of Action (P.O.A.)
Form 385c n Closure Plan n Notification of Maintenance, Public Safety, and Media Contacts n Detour Route
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Site Photos
n Photos can show how the bridge has changed over time
2003 2003
2007 2014
Index of Electronic Files
n Create an electronic file index for each bridge file if some files are electronic only.
n Keep a paper copy of index in hard copy bridge file
Bridge 46
Bridge Data Tracking
Excel Bridge Tracking
n Information organized and quickly accessible
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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
Structurally Deficient Bridges
Key Resources
n NDOR Bridge Inspection Manual n NDOR Bridge Personnel n Sarpy County Public Works Staff
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Questions?