Notable Guests
- Eric DeLony - Past head of The Historic American Engineering Record and noted historic bridge preservationist
- Louise Sturgess - Executive Director of Pittsburgh History & Landmarks Foundation
- Stan Nalitz - Technical Director of AECOM Transportation Pittsburgh Office
- Nathan Holth - Creator of www.historicbridges.org
- Bruce Cridlebaugh - Creator of www.pghbridges.com
- Todd Wilson - Creator of www.bridgemapper.com
- Vern Mesler - Craftsman and riveting instructor (www.historicbridgerestoration.com)
- James Baughn - Creator of www.bridgehunter.com