Most Traveled Poor-Condition Bridges in New Hampshire

New Hampshire has 192 bridges in poor condition. The table below shows them ranked by daily traffic volume — the bridges that carry the most vehicles while in need of repair or replacement.

Bridge	County	Daily Traffic	Year Built	Length
I-89 over South Street	Merrimack	46,612	1959	55.1 ft
I-293 Fee Tpk over Stark Way	Hillsborough	46,106	1956	29.9 ft
Us202 over Nhrr Constitution Av.	Merrimack	45,555	1958	155.8 ft
Fee Tpk SB over Pennichuck Brook	Hillsborough	44,365	1954	89.9 ft
I-393 US 4 Us202 over Fort Eddy RD	Merrimack	40,527	1980	69.9 ft
I-293 Nh 3a Tpk N over Black Brook	Hillsborough	24,101	1956	74.1 ft
Nh 9(loudon Road) over Merrimack River	Merrimack	23,721	1966	524.9 ft
Nh 16 Sp Tpk SB over Cocheco River	Strafford	23,607	1957	267.1 ft
Nh 16 Sp Tpk NB over Cocheco River	Strafford	22,560	1957	267.1 ft
I-393 US 4 Us202 over I-93	Merrimack	22,391	1958	167.0 ft
I-89 NB over Connecticut River Necrr	Grafton	22,288	1966	847.1 ft
Nh 16 Sp Tpk NB over Nh108 Csx(abd)	Strafford	22,163	1957	206.0 ft
I-293 Nh 3a Tpk S over Black Brook	Hillsborough	22,005	1956	74.1 ft
Nh 16 Sp Tpk SB over Nh108 Csx(abd)	Strafford	21,323	1957	299.9 ft
I-89 SB over Connecticut River Necrr	Grafton	21,268	1966	846.1 ft
I-89 SB over Turkey Pond	Merrimack	20,703	1959	240.2 ft
I-89 NB over Turkey Pond	Merrimack	20,387	1959	240.2 ft
Nh 33 over Winnicut River	Rockingham	17,736	1959	65.0 ft
US 1 over Csx	Rockingham	15,436	1935	42.0 ft
Nh125 over Isinglass River	Strafford	14,407	1951	119.1 ft
US 1 over Csx(abd)	Rockingham	14,314	1936	120.1 ft
US 4 over Nh155a	Strafford	13,387	1968	83.0 ft
Salmon Street EB over Merrimack R Csx RD Ramp	Hillsborough	13,150	1970	1023.0 ft
US 3 over Baboosic Brook	Hillsborough	13,024	1933	29.9 ft
US 4 Mechanic ST over Mascoma River	Grafton	12,803	1977	88.9 ft
Nh 13 over Souhegan River	Hillsborough	12,799	1931	111.9 ft
Nh101 over Otter Brook	Cheshire	11,538	1933	82.0 ft
Nh 11 over Merrymeeting River	Belknap	10,346	1934	35.1 ft
Nh 1a over Hampton River	Rockingham	9,402	1949	1199.1 ft
Nh 12a over Nhrr	Grafton	9,117	1949	145.0 ft
Nh 12 over S Branch Ashuelot River	Cheshire	8,976	1941	36.1 ft
Oak Street over Csx	Strafford	8,749	1890	65.0 ft
Nh119 over Connecticut River	Cheshire	8,535	1920	338.9 ft
Nh119 over Connecticut River	Cheshire	8,535	1920	296.9 ft
Nh 12 over Nhrr(abd)	Cheshire	8,066	1957	70.9 ft
Nh 12 over Mill Brook	Cheshire	6,478	1941	21.3 ft
Baboosic Lake Road over Fee Tpk	Hillsborough	6,359	1954	167.0 ft
Nh112 Kancamagus over Pemigewasset River	Grafton	6,210	1933	87.9 ft
Gulf Road over Salmon Falls River	Strafford	6,132	1950	488.8 ft
Main Street over Beaver Brook	Hillsborough	6,111	1900	45.9 ft
Maplewood Avenue over North Mill Pond	Rockingham	5,829	1940	24.9 ft
Us202 Nh123 over Contoocook River	Hillsborough	5,773	1942	175.9 ft
Nh 3a over Newfound River	Grafton	5,690	1924	60.0 ft
Nh120 Park Lot Ped over Nhrr(abd)	Grafton	5,317	1969	27.9 ft
Nh 11 over Poor Farm Brook	Belknap	5,227	1966	29.9 ft
Bridge Street over Spicket River	Rockingham	4,883	1900	28.9 ft
US 2 over Pea Brook	Coos	4,334	1932	27.9 ft
Nh152 over North River	Rockingham	3,719	1925	23.0 ft
Maple AVE over Black Brook	Cheshire	3,502	1961	23.0 ft
Nh 31 over Stony Brook	Hillsborough	3,496	1929	23.0 ft
Nh 1b over Little Harbor	Rockingham	3,359	1942	253.6 ft
Nh111a over Exeter River	Rockingham	3,259	1978	79.1 ft
Nh 32 over Martin Brook	Cheshire	2,956	1929	26.9 ft
Nh104 over Smith River	Merrimack	2,913	1940	106.0 ft
Nh 3a over Newfound River	Grafton	2,878	1949	71.9 ft
Nh 49 over Mad River	Grafton	2,828	1979	540.0 ft
US 3 over Lost River	Grafton	2,784	1931	68.9 ft
Cornish Toll Br RD over Connecticut River	Sullivan	2,722	1866	449.1 ft
Nh 11b over Gunstock River	Belknap	2,690	1941	24.9 ft
Nh 11 over Nhrr(abd)	Merrimack	2,674	1929	179.1 ft
Nh 11 over Sucker Brook	Merrimack	2,674	1929	27.9 ft
Nh 11 over Sucker Brook	Merrimack	2,674	1929	27.9 ft
US 4 over Blackwater River	Merrimack	2,652	1933	75.1 ft
Us202 Nh 9 over Ash Brook	Merrimack	2,610	1970	29.9 ft
Antrim Road over Monadnock Mill Canal	Hillsborough	2,233	1922	27.9 ft
Christian Hill RD over Nhrr(abd)	Cheshire	2,191	1930	74.1 ft
East Thetford Road over Connecticut River	Grafton	2,160	1937	471.1 ft
US 4 over Smith River	Merrimack	2,087	1929	69.9 ft
School Street over Ammonoosuc River	Grafton	2,087	1960	222.1 ft
Hall Road over Little Cohas Brook	Rockingham	1,964	1974	24.0 ft
Nh 49 over Pemigewasset River	Grafton	1,917	1928	216.9 ft
Wilton Road over Souhegan River	Hillsborough	1,866	1938	172.9 ft
River Road over Piscataquog River	Hillsborough	1,866	1940	117.1 ft
Hanson Road over Exeter River	Rockingham	1,854	1932	30.8 ft
Cocheco Road over Cocheco River	Strafford	1,773	1953	64.0 ft
Nh127 over Warner River	Merrimack	1,581	1937	123.0 ft
Nh 18 over Connecticut River	Grafton	1,508	1934	533.1 ft
Nh127 over Blackwater River	Merrimack	1,472	1941	166.0 ft
Nh118 over Indian River	Grafton	1,436	1948	35.1 ft
Tirrell Hill Road over Black Brook	Hillsborough	1,387	1994	42.0 ft
Plains Road over Sugar River	Sullivan	1,376	1974	193.9 ft
Nh103 over I-89 SB Warner River	Merrimack	1,372	1966	245.1 ft
US 3 over Bog Brook	Grafton	1,193	1929	40.0 ft
Chesham Road over Minnewawa Brook	Cheshire	1,191	1939	89.9 ft
Nh142 over Ammonoosuc River	Grafton	1,167	1927	124.0 ft
River Road South over Partridge Brook	Cheshire	1,167	1937	147.3 ft
Temple Road over Blood Brook	Hillsborough	1,167	1901	48.9 ft
Dorchester Road over Grant Brook	Grafton	1,132	1952	41.0 ft
Cate Street over Hodgson Brook	Rockingham	1,096	1940	37.1 ft
Trues Brook Road over Bloods Brook	Grafton	1,089	1952	65.0 ft
Nh 16a over E Br Saco River	Carroll	1,078	1928	80.1 ft
Nh 25 over Oliverian Brook	Grafton	1,072	1960	54.1 ft
Nh 12a over Sugar River	Sullivan	1,067	1967	280.8 ft
Whitcomb Mills RD over White Brook	Cheshire	826	1940	23.0 ft
Nh 25a over Brackett Brook	Grafton	826	1929	40.0 ft
Nh 25a over Baker Pond Brook	Grafton	826	1929	24.0 ft
Spring Street over Cocheco River	Strafford	770	1926	39.0 ft
Contoocook Falls R over Contoocook River	Hillsborough	712	1933	224.1 ft
Nh175 over Pemigewasset River	Grafton	674	1939	183.1 ft
Potato Road over Indian River	Grafton	655	1930	54.1 ft
Causeway Road over Mill Creek	Rockingham	639	1940	42.0 ft
Beaver Brook Road over Beaver Brook	Hillsborough	629	1932	29.9 ft
Delta Drive over I-93 US 4	Merrimack	612	1958	191.9 ft
Scotland Road over Roaring Brook	Cheshire	607	1955	34.1 ft
Whitehall Road over Powwow River	Rockingham	586	1976	33.1 ft
Stage Road over Blow-me-down Brook	Sullivan	574	1954	73.2 ft
Greenfield Parkway over Riddle Brook	Hillsborough	571	2000	25.9 ft
Dupaw Gould Road over Lancy Brook	Hillsborough	559	1987	22.0 ft
Dudley Road over Lamprey River	Rockingham	547	1914	51.8 ft
Bridge Street over Necrr	Sullivan	534	1992	71.9 ft
Beals Road over Baboosic Brook	Hillsborough	511	1928	23.0 ft
Centenary Avenue over Nhrr	Belknap	510	1940	121.1 ft
Coakley Road over Hodgson Brook	Rockingham	480	1940	36.1 ft
Clothespin Br Road over Blackwater River	Merrimack	457	1954	73.2 ft
Carleton Hill Road over Mohawk River	Coos	451	1935	56.1 ft
Pond Road over Csx	Rockingham	438	1920	41.0 ft
Lafayette Road over Ham Branch	Grafton	436	1920	51.8 ft
Sand Hill Road over Baker River	Grafton	410	1928	102.0 ft
Wales Bridge Road over Soucook River	Merrimack	372	1934	146.0 ft
Grist Mill Hill RD over Indian River	Grafton	365	1956	50.9 ft
Thorntons Ferry RD over Beaver Brook	Hillsborough	356	1970	20.0 ft
Washburn Road over Patten Brook	Grafton	289	1950	29.9 ft
North Road over Androscoggin River	Coos	281	1900	182.1 ft
Maple Street over Cold Brook	Carroll	253	1922	24.0 ft
Old Deerfield Road over Brook	Rockingham	250	1920	24.0 ft
Windy Row Road over Mcdowell Reservoir	Hillsborough	247	1950	224.1 ft
Archertown Road over Jacobs Brook	Grafton	244	1930	51.8 ft
Scribner Road over Exeter River	Rockingham	234	1941	46.9 ft
Whipple Hill Road over Roaring Brook	Cheshire	233	1950	43.0 ft
Eastside Road over Martins Brook	Grafton	219	1940	27.9 ft
Griffin Mill Road over Maple Falls Brook	Rockingham	208	1850	28.9 ft
Shepard Home Road over Exeter River	Rockingham	208	1986	27.9 ft
Hilldale AVE over Powwow River	Rockingham	208	1920	30.8 ft
Hill Road over Perry Stream	Coos	191	1860	78.1 ft
Durgin Bridge Road over Cold River	Carroll	164	1869	96.1 ft
Leavitt Hill Road over Blow-me-down-brook	Sullivan	112	1950	23.0 ft
River Road over Mad River	Strafford	110	1986	35.1 ft
Drake Hill Road over Meadow Brook	Carroll	108	1930	24.0 ft
Great Brook Road over Great Brook	Grafton	107	1936	38.1 ft
Fdr 17 over Burnt Knoll	Carroll	100	1975	24.0 ft
Grout Hill Road over Cold River	Sullivan	96	1930	60.4 ft
Cole Hill Road over Fowler River	Grafton	96	1930	43.0 ft
Hill Road over Darby Brook	Cheshire	96	1970	29.9 ft
Bridge Road over Blackwater River	Merrimack	96	1882	65.0 ft
Last Street over Sucker Brook	Merrimack	96	1936	26.6 ft
Liberty Farm Road over North Branch River	Hillsborough	96	1991	32.2 ft
Johnson Hill Road over West Branch Brook	Merrimack	96	1950	26.9 ft
River Road over Clay Brook	Grafton	96	1900	21.0 ft
Perch Pond Road over Ryan Brook	Grafton	96	1940	25.9 ft
Zaccaria Road over Smith River	Merrimack	96	1950	27.9 ft
Granite Road over South River	Carroll	96	1920	36.1 ft
Old County RD N over Collins Brook	Hillsborough	96	1981	29.9 ft
Cressy Hill Road over Rand Brook	Hillsborough	96	1940	30.8 ft
South Road over Minnewawa Brook	Cheshire	96	1950	30.8 ft
Gleason Falls Road over Beards Brook	Hillsborough	96	1900	34.1 ft
Jones Road over Beards Brook	Hillsborough	96	1900	44.9 ft
Plains Road over Mill Brook	Grafton	96	1975	26.9 ft
Breezy Hill Road over Salmon Hole Brook	Grafton	96	1975	23.0 ft
Lewis Road over Ashuelot River	Cheshire	96	1960	74.1 ft
Chickwolnepy Road over Chickwolnepy Stream	Coos	96	1950	38.7 ft
Stearns Brook Road over Stearns Brook	Coos	96	1950	39.0 ft
Townhouse Road over Northeast Pond	Strafford	96	1948	94.2 ft
Paradise Road over Sugar River	Sullivan	96	1976	39.0 ft
High Bridge Road over Archertown Brook	Grafton	96	1940	24.0 ft
Murphy Dam Road over Dam Spillway	Coos	96	1938	38.1 ft
Brook Road over Salmon Brook	Belknap	96	1900	35.1 ft
Upper Road over Bearcamp River	Carroll	96	1950	33.1 ft
Leighton Meadow RD over Phillips Brook	Coos	96	1940	40.0 ft
Crane Hill Road over Gale River	Grafton	96	1928	107.9 ft
Putnam Road over Brook	Hillsborough	96	1930	24.9 ft
Stage Road over Little Sugar River	Sullivan	96	1980	29.9 ft
Maple Street over Branch River	Carroll	96	1940	35.1 ft
Templeton Turnpike over Priest Brook	Cheshire	87	1984	21.0 ft
Walker Brook Road over Frazier Brook	Merrimack	75	1950	27.9 ft
Jack Wells Road over Frazier Brook	Merrimack	73	1950	24.9 ft
Shop Road over Needle Shop Brook	Merrimack	64	1930	35.1 ft
Tunnel Brook Road over Wild Ammonoosuc River	Grafton	52	1900	35.1 ft
Fdr 304 over Little River	Grafton	50	1975	75.1 ft
Nfsr Xh22 over Hubbard Brook	Grafton	50	1961	36.1 ft
Fdr 29 over Walker Brook	Grafton	50	1975	32.2 ft
Fdr 35 over Douglas Brook	Carroll	50	1950	27.9 ft
Rec Area Access RD over Otter Brook	Cheshire	50	1967	44.6 ft
Rec Area Access RD over Otter Brook	Cheshire	50	1967	45.3 ft
Fish Hatchery Road over Patch Brook	Grafton	45	1930	33.1 ft
Village Road over Clement Brook	Coos	44	1929	44.9 ft
Frye Mill Road over Burton Pond Outlet	Hillsborough	36	1920	27.9 ft
Recycle Way over Ashuelot River	Cheshire	25	1947	131.9 ft
Sheepboro Road over Berrys River	Strafford	20	1983	21.7 ft
No Data Entered over No Data Entered	Carroll	10	1990	26.6 ft
On-orbit Drive over Gardner-joe English Stre	Hillsborough	10	1959	27.9 ft
Old Nh 16 over Thompson Brook	Coos	5	1931	38.4 ft
Bridge Street over Connecticut River	Cheshire	0	1930	230.0 ft