Allegheny Creek Bridge Concrete arch bridge over Allegheny Creek on TR 618 (Shady Lane) Open to traffic Built 1908
Allegheny Creek Bridge Concrete arch bridge over Allegheny Creek on TR 806 (River Road) Open to traffic Built 1913
Bertsch Creek Bridge Stone arch bridge over Bertsch Creek on PA 4020 Open to traffic Built 1889; rehabilitated 1933
Broad Street Bridge Concrete arch bridge over Monocacy Creek on Broad Street in Bethlehem Open to traffic Built 1909
Bushkill Creek Bridge Pony truss bridge over Bushkill Creek on PA 1008 Closed to all traffic Built 1935
Bushkill Creek Bridge Stone arch bridge over Bushkill Creek on PA 2019 in Easton Open to traffic Built 1886; rehabilitated 1927
Bushkill Creek Bridge Stone arch bridge over Bushkill Creek on PA 2023 in Easton Open to traffic Built 1894; rehabilitated ca. 60
Delaware River Bridge Four-span through truss bridge over Delaware River between Riverton and Belvidere Open to traffic Built 1904 by the New Jersey Bridge Co.
Delaware River Bridge Through truss bridge over Delaware River on US 22 in Easton Open to traffic Built 1937; rehabilitated 1990
Dr. George S. Smith Bridge Concrete arch bridge over Lehigh River on PA 611 (S. 3rd Street) in Easton Open to traffic Built 1912; rehabilitated 1991
Freys Run Bridge Stone arch bridge over Freys Run on PA 2003 Open to traffic Built 1857
Freys Run Bridge Stone arch bridge over Freys Run on PA 2006 Open to traffic Built 1896; rehabilitated ca. 1950
Glendon Hill Road Bridge Through truss bridge over Lehigh River on Glendon Hill Road in Easton Open to traffic Built ca. 1935
High Street Bridge Wooden bridge over abandoned Conrail track on High Street in Bethlehem Open to traffic Built ca. 1910
High Street Bridge Through truss bridge over Saucon Creek on High Street in Bethlehem Open to traffic Built 1936
Hokendauqua Creek Bridge Concrete arch bridge over Hokendauqua Creek on PA 329 in Northampton Open to traffic Built 1909 by the Ferro Concrete Co.; rehabilitated 1982
Hokendauqua Creek Bridge Concrete arch bridge over Hokendauqua Creek on TR 470 Open to traffic Built 1909
Hokendauqua Creek Bridge Stone arch bridge over Hokendauqua Creek on TR 473 Open to traffic Built ca. 1875
Hokendauqua Creek Bridge Concrete arch bridge over Hokendauqua Creek on TR 635 (Spruce Drive) Open to traffic Built 1913
Hokendauqua Creek Bridge Stone arch bridge over Hokendauqua Creek on TR 544 Open to traffic Built 1896; rehabilitated ca. 1995
Hokendauqua Creek Bridge Concrete arch bridge over Hokendauqua Creek on TR 586 (Walker Road) Open to traffic Built 1911
Indian Creek Bridge Stone arch bridge over Indian Creek on SR4003 Open to traffic Built 1834; rehabilitated 1985
Indian Creek Bridge Stone arch bridge over Indian Creek on TR 511 Open to traffic Built 1826
Jacoby Creek Bridge Concrete arch bridge over Jacoby Creek on PA 611 in Portland Open to traffic Built 1907
Lehigh Canal Bridge Through truss bridge over Lehigh Canal on High Street in Glendon Open to traffic Built 1910; rehabilitated 1949
Little Bushkill Creek Bridge Concrete arch bridge over Little Bushkill Creek on TR 623 (Engler Road) Open to traffic Built 1910
Little Martins Creek Bridge Concrete arch bridge over Little Martins Creek on TR 684 (Little Creek Road) Open to traffic Built 1911
Lynn Avenue Bridge Through truss bridge over Conrail yard on Lynn Avenue in Bethlehem Open to traffic Built 1928
Martins Creek Bridge Concrete arch bridge over Martins Creek on PA 1033 (Pennsylvania Avenue) in Bangor Open to traffic Built 1915
Martins Creek Bridge Concrete arch bridge over Martins Creek on TR 625 Open to traffic Built 1911
Monocacy Creek Bridge Pony truss bridge over Monocacy Creek on TR 438 Open to traffic Built 1937
Monocacy Creek Bridge Stone arch bridge over Monocacy Creek on TR 437 Open to traffic Built ca. 1890; rehabilitated 1949/1959
Monocacy Creek Bridge Stone arch bridge over Monocacy Creek on TR 431 in Bethlehem Open to traffic Built 1911; rehabilitated 1959
Mud Run Creek Bridge Concrete arch bridge over Mud Run Creek on TR 627 Open to traffic Built 1911
Oughoughton Creek Bridge Pony truss bridge over Oughoughton Creek on TR 661 Open to traffic Built 1937
Saucon Creek Bridge Stone arch bridge over Saucon Creek on TR 376 Open to traffic Built 1858