Survey No.
|
Name (as assigned by HAER)
|
Status
|
Type[2]
|
Built
|
Documented
|
Carries
|
Crosses
|
Location
|
County
|
Coordinates
|
DE-12-B
|
Pennsylvania Railroad Improvements, Swing Bridge
|
Extant
|
Swing span
|
1902
|
1977
|
Northeast Corridor
|
Brandywine River
|
Wilmington
|
New Castle
|
39°44′23″N 75°32′13″W / 39.73972°N 75.53694°W / 39.73972; -75.53694 (Pennsylvania Railroad Improvements, Swing Bridge)
|
DE-12-C
|
Pennsylvania Railroad Improvements, Brick Arch Viaduct
|
Extant
|
Brick arch
|
1902
|
1977
|
Northeast Corridor
|
City streets
|
Wilmington
|
New Castle
|
39°44′08″N 75°33′52″W / 39.73556°N 75.56444°W / 39.73556; -75.56444 (Pennsylvania Railroad Improvements, Brick Arch Viaduct)
|
DE-20
|
Augustine Bridge
|
Replaced
|
Pratt truss
|
1885
|
1979
|
Road 49 (Augustine Cutoff)
|
Brandywine River
|
Wilmington
|
New Castle
|
39°45′39″N 75°33′25″W / 39.76083°N 75.55694°W / 39.76083; -75.55694 (Augustine Bridge)
|
DE-22
|
Rehoboth Avenue Bridge
|
Replaced
|
Rolling lift (Scherzer) bascule
|
1926
|
1984
|
DE 1A (Rehoboth Avenue)
|
Lewes and Rehoboth Canal
|
Rehoboth Beach
|
Sussex
|
38°42′52″N 75°05′34″W / 38.71444°N 75.09278°W / 38.71444; -75.09278 (Rehoboth Avenue Bridge)
|
DE-25
|
Thompson's Bridge
|
Replaced
|
Steel built-up girder (concrete-encased)
|
1935
|
1990
|
DE 92 (Thompsons Bridge Road)
|
Brandywine River
|
Wilmington
|
New Castle
|
39°49′01″N 75°34′11″W / 39.81694°N 75.56972°W / 39.81694; -75.56972 (Thompson's Bridge)
|
DE-27
|
Heald Street Bridge
|
Rehabilitated
|
Reinforced concrete flat slab
|
1942
|
1990
|
US 13 (South Heald Street)
|
Former Pennsylvania Railroad Shellpot Branch
|
Wilmington
|
New Castle
|
39°43′34″N 75°32′46″W / 39.72611°N 75.54611°W / 39.72611; -75.54611 (Heald Street Bridge)
|
DE-28
|
Odessa Bridge
|
Replaced
|
Center-bearing swing span
|
1928
|
1997
|
DE 299 (Main Street)
|
Appoquinimink River
|
Odessa
|
New Castle
|
39°27′10″N 75°39′18″W / 39.45278°N 75.65500°W / 39.45278; -75.65500 (Odessa Bridge)
|
DE-29
|
Wagamon Pond Dam and Bridge
|
Replaced
|
Reinforced concrete cast-in-place slab
|
1917
|
1990
|
Road 197 (Mulberry Street)
|
Broadkill River
|
Milton
|
Sussex
|
38°46′38″N 75°18′46″W / 38.77722°N 75.31278°W / 38.77722; -75.31278 (Wagamon Pond Dam and Bridge)
|
DE-30
|
Red Bridge
|
Replaced
|
Steel girder (concrete-encased)
|
1916
|
1991
|
DE 5 (Union Street)
|
Broadkill River
|
Milton
|
Sussex
|
38°46′43″N 75°18′40″W / 38.77861°N 75.31111°W / 38.77861; -75.31111 (Red Bridge)
|
DE-31
|
South Wilmington Causeway Bridge
|
Replaced
|
Reinforced concrete flat slab
|
1940
|
1991
|
US 13 Bus. (South Market Street)
|
Former Pennsylvania Railroad Shellpot Branch
|
Wilmington
|
New Castle
|
39°43′28″N 75°33′21″W / 39.72444°N 75.55583°W / 39.72444; -75.55583 (South Wilmington Causeway Bridge)
|
DE-33
|
Seaford Bridge
|
Rehabilitated
|
Simple trunnion bascule
|
1925
|
1991
|
Road 13 (North Front Street)
|
Nanticoke River
|
Seaford
|
Sussex
|
38°38′25″N 75°36′33″W / 38.64028°N 75.60917°W / 38.64028; -75.60917 (Seaford Bridge)
|
DE-34
|
State Highway Bridge No. 20
|
Rehabilitated
|
Steel girder (concrete-encased)
|
1932
|
1992
|
Road 232 (Rockland Road)
|
Husbands Run
|
Rockland
|
New Castle
|
39°47′10″N 75°33′42″W / 39.78611°N 75.56167°W / 39.78611; -75.56167 (State Highway Bridge No. 20)
|
DE-35
|
State Highway Bridge No. 2
|
Rehabilitated
|
Steel girder (concrete-encased)
|
1933
|
1992
|
Road 232 (Rockland Road)
|
Brandywine River
|
Rockland
|
New Castle
|
39°47′49″N 75°34′30″W / 39.79694°N 75.57500°W / 39.79694; -75.57500 (State Highway Bridge No. 2)
|
DE-36
|
Railroad Avenue Bridge
|
Replaced
|
Steel rolled stringer (concrete-encased)
|
1903
|
1992
|
Church Avenue
|
Mispillion River
|
Milford
|
Kent
|
38°54′44″N 75°25′51″W / 38.91222°N 75.43083°W / 38.91222; -75.43083 (Railroad Avenue Bridge)
|
DE-37
|
Thompson's Station Bridge
|
Rehabilitated
|
Warren truss
|
1928
|
1993
|
Road 329 (Chambers Rock Road)
|
White Clay Creek
|
Newark
|
New Castle
|
39°43′58″N 75°45′35″W / 39.73278°N 75.75972°W / 39.73278; -75.75972 (Thompson's Station Bridge)
|
DE-39
|
Mill Creek Bridge
|
Replaced
|
Timber-concrete composite
|
1936
|
1994
|
DE 6 (Woodland Beach Road)
|
Mill Creek
|
Smyrna
|
Kent
|
39°18′28″N 75°34′33″W / 39.30778°N 75.57583°W / 39.30778; -75.57583 (Mill Creek Bridge)
|
DE-40
|
Delaware State Bridge No. 21A
|
Rehabilitated
|
Rolling lift (Scherzer) bascule
|
1930
|
1995
|
DE 1 (Rehoboth Boulevard)
|
Mispillion River
|
Milford
|
Kent
|
38°55′02″N 75°25′04″W / 38.91722°N 75.41778°W / 38.91722; -75.41778 (Delaware State Bridge No. 21A)
|
DE-43
|
Delaware Bridge No. 179A
|
Replaced
|
Warren truss
|
1900
|
1995
|
Road 285 (Evanson Road)
|
Mill Creek
|
Hockessin
|
New Castle
|
39°46′58″N 75°42′06″W / 39.78278°N 75.70167°W / 39.78278; -75.70167 (Delaware Bridge No. 179A)
|
DE-48
|
State Bridge No. 424
|
Replaced
|
Warren truss
|
1884
|
1996
|
Road 446 (Wiggins Mill Road)
|
Wiggins Mill Pond Outlet
|
Townsend
|
New Castle
|
39°24′12″N 75°42′15″W / 39.40333°N 75.70417°W / 39.40333; -75.70417 (State Bridge No. 424)
|
DE-51
|
State Bridge No. 177
|
Rehabilitated
|
Stone arch
|
1846
|
1996
|
Brackenville Road
|
Mill Creek
|
Hockessin
|
New Castle
|
39°46′31″N 75°41′24″W / 39.77528°N 75.69000°W / 39.77528; -75.69000 (State Bridge No. 177)
|
DE-52
|
State Bridge No. 123A
|
Replaced
|
Timber stringer
|
1933
|
1996
|
Road 123 (Stratham Lane)
|
Kings Causeway Branch
|
Milford
|
Kent
|
38°58′27″N 75°22′32″W / 38.97417°N 75.37556°W / 38.97417; -75.37556 (State Bridge No. 123A)
|
DE-53
|
State Bridge No. 456
|
Replaced
|
Timber stringer
|
1934
|
1996
|
Road 45 (Walker School Road)
|
Sawmill Branch of Smyrna River
|
Townsend
|
New Castle
|
39°22′25″N 75°36′04″W / 39.37361°N 75.60111°W / 39.37361; -75.60111 (State Bridge No. 456)
|
DE-54
|
Carter's Bridge
|
Rehabilitated
|
Steel rolled stringer
|
1909
|
1996
|
Road 211 (Still Road)
|
Choptank River
|
Sandtown
|
Kent
|
39°03′16″N 75°44′04″W / 39.05444°N 75.73444°W / 39.05444; -75.73444 (Carter's Bridge)
|