This is a list of bridges and other crossings of the Merrimack River from its mouth in the Gulf of Maine at Newburyport, Massachusetts, upstream to its source at the merger of two rivers in Franklin, New Hampshire. Some pedestrian bridges and abandoned bridges are also listed.

River mouth

River source

This list is incomplete; you can help by adding missing items. (February 2011)

More information Crossing, Carries ...

Crossing	Carries	Location	Built	Coordinates	References
Massachusetts
Gillis Memorial Bridge	US 1 / Route 1A	Newburyport and Salisbury		42°48′57.89″N 70°52′24.29″W
Newburyport Railroad Bridge	Newburyport Railroad			42°48′57.40″N 70°52′22.27″W	[1]
Chain Bridge	Spofford Street (south bank to Deer Island)	Newburyport and Amesbury		42°50′1.19″N 70°54′24.53″W
Derek S. Hines Memorial Bridge	Spofford Street (north bank to Deer Island)			42°50′7.53″N 70°54′26.97″W
John Greenleaf Whittier Bridge	I-95		2019 (Replaces bridge built in 1951)	42°50′4.12″N 70°54′42.24″W	[2]
Rocks Village Bridge	East Main Street	Haverhill and West Newbury		42°48′38.54″N 70°59′59.69″W
Bates Bridge	Groveland Street	Haverhill and Groveland		42°45′49.88″N 71°2′2.92″W
Basiliere Bridge	Route 125 (Main Street / South Main Street)	Haverhill		42°46′25.43″N 71°4′34.46″W	[3]
	MBTA Commuter Rail: Haverhill Line			42.77099°N 71.08621°W / 42.77099; -71.08621 (Haverhill Line bridge)
Joseph C. Comeau Bridge	Railroad Avenue			42°46′14.08″N 71°5′13.03″W
Antonio Franciosa Memorial Bridge	I-495			42°45′15.98″N 71°7′38.37″W
O'Reilly Memorial Bridge	I-495	Lawrence and North Andover		42°42′23.93″N 71°8′18.78″W
Duck Bridge	South Union Street	Lawrence		42°42′15.51″N 71°9′12.14″W
Joseph W. Casey Bridge	Parker Street			42°42′12.77″N 71°9′37.34″W
E.F. O'Leary Bridge	Route 28 (Broadway)			42°42′4.32″N 71°9′55.93″W
Merrimack-Methuen Bridge	I-93		Methuen and Andover	42°42′1.82″N 71°12′35.27″W
Hunts Falls Bridge	Route 38	Lowell	1959	42°38′48.76″N 71°17′57.39″W
John E. Cox Memorial Bridge	Bridge Street		1937 (Crossing dates to 1830s[4])	42°38′53.30″N 71°18′18.55″W	[5]
Ouellette Memorial Bridge	Aiken Street / Aiken Avenue		1883	42°39′17.01″N 71°18′55.51″W	[6]
Richard P. Howe Bridge	University Avenue		2013	42°39′5.76″N 71°19′29.14″W
O'Donnell Bridge	School Street / Mammoth Rd		2005 (Rebuilt from a bridge built in 1917, crossing dates to 1792[7])	42°38′58.36″N 71°19′49.98″W	[8]
Rourke Bridge	Wood Street		1983	42°38′18.58″N 71°21′24.31″W	The bridge is a "temporary" structure, but it might be replaced by a permanent structure soon.
Tyngsborough Bridge	Route 3A / Route 113	Tyngsborough	1932, Rebuilt 1975	42°40′33.66″N 71°25′16.33″W
New Hampshire
Sagamore Bridge	Circumferential Highway	Nashua and Hudson	1973 (twinned in 2000)	42°43′27″N 71°26′17″W
WN&R / B&M RR Bridge			1847	42°45′29″N 71°44′26″W	WN&R Railroad - Abutments remain
Taylor Falls Bridge	NH 111		1970 (Taylor Falls/eastbound span) & 1973 (Veterans Memorial/westbound span)	42°45′48″N 71°26′37″W
Pearl Harbor Memorial Bridge	Manchester Airport Access Road (Raymond Wieczorek Drive)	Bedford and Manchester	2011	42°54′48″N 71°27′11″W
Queen City Bridge	US 3	Manchester	1923	42°58′27″N 71°28′19″W
Granite Street Bridge			1981	42°59′7″N 71°28′11″W
Notre Dame Bridge			1988 (twinned in 1990)	42°59′39″N 71°28′10″W
Amoskeag Memorial Bridge			1970	43°0′13″N 71°28′11″W
Main Street Bridge		Hooksett	1976	43°5′44″N 71°27′52″W
Korea Veterans Memorial Bridge	US 3	Concord	1998	43°11′35″N 71°31′26″W
World War II Veterans Memorial Bridge	NH 9		1966	43°12′32″N 71°31′50″W
Vietnam & Gulf War Veterans Memorial Bridge	I-393 / US 4 / US 202		1978	43°13′10″N 71°31′23″W
Sewalls Falls Road Bridge			1915	43°16′16″N 71°33′53″W
New Hampshire Veterans Memorial Bridge	US 4	Penacook	2005	43°17′24″N 71°35′15.43″W
Boscawen-Canterbury Bridge	Boscawen and Canterbury		1907	43°19′3.32″N 71°37′5″W	Bridge removed in 2014[9]

Close

River source at confluence of the Pemigewasset and Winnipesaukee rivers in Franklin, New Hampshire at 43°26′12″N 71°38′54″W.

River source

• An italicized entry in the "name" column means that the real name is missing.