SR 71 joins rural areas of southern New Castle County and Townsend as a stand alone route along Summit Bridge Road to Middletown. North from Broad Street and Downtown Middletown, SR 71 follows Summit Bridge Road (former U.S. 301) to Mt. Pleasant, and with SR 896 from there to a short expressway across the Summit Bridge.
North of the Chesapeake and Delaware Canal, the state route turns east along Red Lion Road to encircle Lums Pond State Park. Red Lion Road extends northward through suburban areas to Kirkwood, Williamsburg and Red Lion to end at U.S. 13 (Dupont Highway).
Delaware 71 Highway Guides
Plans for the U.S. 13 Relief Route (SR 1) in southern New Castle County called for right in right out (RIRO) ramps linking the toll road with U.S. 13 (Dupont Parkway) and SR 71 near Townsend. The interchange was dropped to save costs as construction got underway for SR 1 between Smyrna and Odessa. With right of way acquired, WILMAPCO resurrected the project by advancing funding options for the new ramps in 2004. The project however never broke ground and remains unbuilt today.
Delaware 71 History
Delaware 71 originated in 1938 along roughly the same alignment that it travels today, from U.S. 13 at H & H Corner north to U.S. 13 at Tybouts Corner. The exception was at Summit Bridge, where prior to 1960, Delaware 71 crossed a 1920s-built steel lift bridge north from what is now Old Summit Bridge Road to a split with Delaware 896 along what is now Old Summit Road.
The first change for Delaware 71 took place by 1956 with the designation of Maryland 71 along a new highway constructed from U.S. 50 at Queenstown to the Delaware state line near Warwick. The new multi state route overtook Delaware 4, which was renumbered as Delaware 299, southwest along Middletown Warwick Road. The old route south from Middletown was renumbered as a long extension of Delaware 896.
U.S. 301 replaced Maryland 71 by 1960 throughout the Eastern Shore. Within Delaware, U.S. 301 overlaid Delaware 71 northeast to Main Street and Peterson Road west of Downtown Middletown, where it partitioned into a North and South branch. U.S. 301 South and Delaware 71 overlapped north from Broad Street to Summit Bridge and Red Lion while U.S. 301 North ran east to Odessa and north along side U.S. 301. The continuous steel thru truss bridge across the Chesapeake & Delaware Canal opened to traffic on January 9, 1960.1
U.S. 301 consolidated onto a single alignment along side Delaware 71 and 896 (Broad Street) from Middletown to the north end of the Summit Bridge in 1971. The branch split remained northward from there, with U.S. 301 South following Delaware 71 on Red Lion Road and U.S. 301 North overlapping with Delaware 896 to Glasgow and U.S. 40 east to State Road.
The next change occurred by 1984 with the elimination of the U.S. 301 branch split and the realignment of Delaware 896 east along side U.S. 301 from Mount Pleasant to Boyds Corner. A subsequent truncation north to the Summit Bridge removed the long standing overlap of Delaware 71 with U.S. 301 south to the state line. By 1990, Delaware 71 was extended southward again, returning to its historical route along Summit Bridge Road south to H & H Corner.
Further realignment for U.S. 301 took place in 1993 when it was rerouted north along Delaware 71 & 896 across Summit Bridge to a new end at U.S. 40 in Glasgow. This will change again with the completion of the U.S. 301 toll road around Middletown, anticipated for late 2018.
Delaware 71 - 2015 Annual Average Daily Traffic (AADT)
- 8,208 - U.S. 13 to Pine Tree Road
- 11,540 - Park Place to SR 299
- 26,518 - north Middletown limits to SR 896
- 29,175 - SR 15 to Red Lion Road
- 14,015 - SR 896 to SR 72
- 4,652 - SR 7 to U.S. 13
- United States Army Corps of Engineers. (1962). Report of the Chief of Engineers U.S. Army, Volumes 1-2. Washington, DC.
Page Updated 11-28-2018.