Hey Bill, Try these: Maryland DOT SHA's historic bridge management plan: http://www.roads.maryland.gov/OPPEN/Maryland%20SHA%20Management%20Plan%20for%20Historic%20Highway%20Bridges.pdf The Virginia Center for Transportation Innovation and Research (Virginia DOT's educational arm) also has some good information online: Best Practices for Rehabilitation and Moving Histoirc Bridges (2006) http://www.virginiadot.org/vtrc/main/online_reports/pdf/06-r31.pdf A Case Study for the Loop Welded Eye Bars Removed from the Advance Mills Bridge in Albemarle County Virginia (2011) http://www.virginiadot.org/vtrc/main/online_reports/pdf/11-r13.pdf Pennsylvania DOT also has information on its website: Bridges to the Past: A Management Plan for Pennsylvania's Historic Metal Truss Bridges https://www.paprojectpath.org/penndot-crm/bridges/truss-bridge-management-plan/truss-bridge-management-plan-summary Julie M. Schablitsky, PhD Chief Archaeologist/Assistant Division Chief Maryland Department of Transportation State Highway Administration Environmental Planning Division 707 North Calvert Street Baltimore, MD 21202 0ffice (410) 545-8870 Cell (503) 319-5777 [log in to unmask] -----Original Message----- From: HISTORICAL ARCHAEOLOGY [mailto:[log in to unmask]] On Behalf Of [log in to unmask] Sent: Wednesday, August 16, 2017 8:41 AM To: [log in to unmask] Subject: Heritage bridges - steel, iron I have occasionally seen references to work done for transportation agencies on this listserve. Are any of you aware of guidelines for the conservation of steel or iron heritage bridges or, more specifically, for the evaluation of their heritage value? Thanks in advance. William Moss PhD, FSA, RPA Chef d'équipe - Archéologue Division de l'architecture et du patrimoine | Service de l'aménagement et du développement urbain | Ville de Québec | 295, boulevard Charest Est | Québec (Québec) Canada, G1K 3G8 | Téléphone : 418.641.6411, poste 2149 | Télécopie : 418.641.6455 | [log in to unmask]<mailto:[log in to unmask]> | www.ville.quebec.qc.ca<http://www.ville.quebec.qc.ca/> | www.ovpm.org/fr/canada/quebec<http://www.ovpm.org/fr/canada/quebec> ############################ To unsubscribe from the HISTARCH list: write to: mailto:[log in to unmask] or click the following link: http://community.lsoft.com/scripts/wa-LSOFTDONATIONS.exe?SUBED1=HISTARCH&A=1 ############################ To unsubscribe from the HISTARCH list: write to: mailto:[log in to unmask] or click the following link: http://community.lsoft.com/scripts/wa-LSOFTDONATIONS.exe?SUBED1=HISTARCH&A=1
