David Pirmann:
US CT Kent Co - Bulls Bridge (1842) 1984 b WGCB 07-03-01
David Pirmann:
US CT Kent Co - Kent Falls State Park Bridge 1984 a WGCB CT 07-03-D
David Pirmann:
US CT Kent Co - Kent Falls State Park Bridge 1984 b WGCB CT 07-03-D
David Pirmann:
US CT Kent Co - Kent Falls State Park Bridge 1984 c WGCB CT 07-03-D
David Pirmann:
US CT Litchfield Co - West Cornwall Bridge 5-15-1984 b WGCB CT 07-03-02
David Pirmann:
US CT Litchfield Co - West Cornwall Bridge 5-15-1984 d WGCB CT 07-03-02
David Pirmann:
US MD Frederick Co - Loys Station Bridge 1989 a WGCB 20-10-03 no. 1
David Pirmann:
US MD Frederick Co - Loys Station Bridge 1989 b WGCB 20-10-03 no. 1
David Pirmann:
US MD Frederick Co - Loys Station Bridge 1989 c WGCB 20-10-03 no. 1
David Pirmann:
US MD Frederick Co - Roddy Road Bridge 1989 a WGCB 20-01-02 no. 1
David Pirmann:
US MD Frederick Co - Roddy Road Bridge 1989 b WGCB 20-01-02 no. 1
David Pirmann:
US MD Frederick Co - Roddy Road Bridge 1989 c WGCB 20-01-02 no. 1
David Pirmann:
US PA Adams Co - Jacks Mountain Bridge 7-6-1985 a WGCB PA 38-01-08
David Pirmann:
US PA Adams Co - Jacks Mountain Bridge 7-6-1985 b WGCB PA 38-01-08
David Pirmann:
US PA Adams Co - Jacks Mountain Bridge 7-6-1985 c WGCB PA 38-01-08
David Pirmann:
US PA Adams Co - Jacks Mountain Bridge 7-6-1985 g WGCB PA 38-01-08
David Pirmann:
US PA Adams Co - Saucks Bridge 7-6-1985 b WGCB PA 38-01-01
David Pirmann:
US PA Adams Co - Saucks Bridge 7-6-1985 c WGCB PA 38-01-01
David Pirmann:
US PA Berks Co - Deribelbis Station Bridge 8-1984 a WGCB PA 38-06-07
David Pirmann:
US PA Berks Co - Deribelbis Station Bridge 8-1984 ba WGCB PA 38-06-07
David Pirmann:
US PA Berks Co - Deribelbis Station Bridge 8-1984 d WGCB PA 38-06-07
David Pirmann:
US PA Berks Co - Griesemer's Mill Bridge - 3-3-1973 WGCB PA 38-06-03
David Pirmann:
US PA Berks Co - Griesemer's Mill Bridge - 8-1984 a WGCB PA 38-06-03
David Pirmann:
US PA Berks Co - Griesemer's Mill Bridge - 8-1984 g WGCB PA 38-06-03
David Pirmann:
US PA Berks Co - Kutz's Mill Bridge - Sacony Creek (1854) 7-1965 WGCB PA 38-06-05
David Pirmann:
US PA Berks Co - Pleasantville Bridge 8-1984 b WGCB PA 38-06-01
David Pirmann:
US PA Berks Co - Pleasantville Bridge 8-1984 d WGCB PA 38-06-01
David Pirmann:
US PA Blair Co - Ricotta Bridge 7-1986 WGCB PA 38-07-G
David Pirmann:
US PA Bucks Co - Haupts Mill Bridge (1872) 5-15-1984 a WGCB PA 38-09-01
David Pirmann:
US PA Bucks Co - Knechts Bridge 5-15-1984 b WGCB PA 38-09-02
