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Every bridge in Middlesex County, Connecticut

Name: Every bridge in Middlesex County, Connecticut
Creator: Bridge Report Card
License: https://creativecommons.org/publicdomain/zero/1.0/

309 inventoried bridges, busiest first

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Middlesex County, Connecticut, has 309 bridges in the 2025 National Bridge Inventory: 100 rated good, 196 fair, and 13 poor (as of August 20, 2026).
This index lists every one of them, busiest first; each links to its own condition record.

Bridge	Built	Vehicles/day	Condition
Interstate-91 over Falls Brook	1965	108,700	Good
Interstate-91 NB over Mattabesset River	1965	99,500	Fair
Interstate-95 over Cow Hill Road	1957	62,400	Fair
Interstate-95 over Route 9 NB & I-95 Tr 816	1992	62,200	Fair
Route 9 over Game Area Road	1968	61,300	Good
Interstate-95 over Indian Lake	1957	59,800	Fair
Interstate-95 over Liberty Street No. 1	1957	59,800	Good
Interstate-91 NB over North Road	1965	58,900	Fair
Interstate-91 SB over North Road	1965	58,900	Fair
Route 9 over P&w Railroad & Union St	1950	55,700	Poor
Routes 9 & 17 over Sumner Brook	1953	55,700	Fair
Interstate-91 NB over Route 372	1965	55,300	Fair
Interstate-91 NB over Smith Street	1965	55,300	Fair
Interstate-95 over Valley Railroad	1957	54,600	Good
Interstate-91 NB over Evergreen Road	1965	54,300	Fair
Interstate-91 SB over Route 372	1965	53,400	Fair
Interstate-91 SB over Smith Street	1965	53,400	Fair
Interstate-91 SB over Evergreen Road	1965	52,900	Fair
Interstate-95 over Patchogue River	1957	50,800	Fair
Interstate-95 over Pond Meadow Road	1957	50,800	Fair
Interstate-95 over Route 154	1957	49,300	Fair
Interstate-91 SB over Mattabesset River	1965	49,200	Fair
Interstate-91 SB over Route 9 Northbound	1965	48,100	Fair
Interstate-95 over School House Road	1957	48,000	Fair
Interstate-91 SB over Route 9 SB & I-91 Tr 818	1965	47,700	Fair
Interstate-95 over SR 628 {spring Brook Rd}	1957	47,200	Fair
Interstate 95 Nort over Connecticut Rv Ferry Rd	1993	36,500	Fair
Interstate 95 Sout over Connecticut Rv Ferry Rd	1993	36,400	Fair
Route 9 Southbound over Mattabesset River	1960	34,600	Fair
Route 9 Southbound over Mattabesset River	1988	33,900	Good
Route 9 Southbound over Rte 9 Ramp 043 & SR 901	1967	33,400	Fair
Route 9 Northbound over Mattabesset River	1960	33,100	Fair
Route 9 Northbound over Mattabesset River	1988	32,900	Fair
Route 9 over Falls River	1967	32,600	Fair
Route 9 Northbound over Rte 9 Ramp 043 & SR 901	1968	32,300	Fair
Route 9 Southbound over P&w Railroad	1967	31,400	Fair
Route 9 over Great Brook	1967	31,100	Good
Interstate-395 over Kate Downing Road	1958	30,000	Fair
Route 9 Northbound over P&w Railroad	1967	29,900	Fair
Route 66 over Conn River Rte 9 P&w RR	1938	28,000	Poor
Route 9 Southbound over Interstate-91 NB Tr 818	1965	26,700	Fair
Route 9 Southbound over Interstate-91 Northbound	1965	26,700	Fair
Route 66 over Coginchaug River	1979	25,400	Good
Interstate-95 over Elm Street	1957	24,000	Fair
Route 9 Southbound over Bartholomew Road	1959	22,900	Good
Route 9 Southbound over Route 155	1959	21,600	Fair
Route 9 Northbound over Bartholomew Road	1959	21,250	Fair
Route 9 Northbound over Route 155	1959	20,900	Fair
RT9 NB& I-91 TR821 over I-91 NB & I-91 TR823	1965	20,800	Fair
US Route 1 over Amtrak Railroad	1976	19,400	Good
Route 9 Southbound over Nedobity Road	1965	18,300	Fair
Route 9 Southbound over Route 9 Ramps 31 & 32	1959	18,300	Fair
Route 9 Northbound over Route 9 Ramps 31 & 32	1959	18,100	Fair
Route 154 over Bible Rock Brook	1939	17,500	Fair
Route 9 Northbound over Candlewood Hill Rd & Brk	1965	17,500	Fair
Route 9 Southbound over Cedar Grove Terrace	1966	17,500	Fair
Route 372 over Route 9	1967	17,400	Fair
Route 9 Southbound over Candlewood Hill Rd & Brk	1965	17,300	Fair
Route 3 over Mattabesset River	1933	17,100	Fair
Route 9 Northbound over Cedar Grove Terrace	1966	17,100	Fair
Route 9 Northbound over Nedobity Road	1965	17,100	Fair
Route 9 Northbound over Kelsey Hill Road	1967	17,000	Fair
Route 9 Southbound over Kelsey Hill Road	1967	16,600	Good
Route 9 Northbound over Rt 154 Valley RR Ward Bk	1967	16,400	Fair
Route 9 Southbound over Rt 154&VALLEY Rr&ward Bk	1967	16,200	Fair
Route 9 Southbound over Route 80 (elm Street)	1968	16,100	Fair
Route 66 over P & W Railroad	1938	16,000	Fair
Route 9 Northbound over West Bridge Street	1967	16,000	Fair
Route 217 over Mattabesset River	2004	15,700	Good
Route 17 over Allyns Brook	1995	15,200	Fair
Route 9 Southbound over Floral Park Road	1966	15,100	Fair
Route 9 Southbound over Cedar Lake Road	1967	15,000	Fair
Route 9 Southbound over Filley Road	1967	15,000	Fair
Route 9 Southbound over Turkey Hill Road	1967	15,000	Fair
Route 9 Northbound over Cedar Lake Road	1966	14,800	Fair
Route 9 Northbound over Filley Road	1966	14,800	Fair
Route 9 Northbound over Turkey Hill Road	1967	14,800	Fair
Route 3 over Coginchaug River	1974	14,700	Fair
Route 9 Northbound over Hubbard Road	1966	14,700	Fair
Route 9 Northbound over Route 81 & Ponset Brook	1966	14,700	Fair
Route 9 Southbound over Hubbard Road	1966	14,700	Fair
US Route 1 over Oyster River	1971	14,700	Fair
Route 9 Southbound over Route 148 (west Main St)	1967	14,600	Fair
Route 9 Northbound over Route 148 (west Main St)	1967	14,500	Fair
Route 9 Northbound over Route 80 (elm Street)	1968	14,500	Fair
Route 9 Southbound over Beaver Meadow Road	1967	14,500	Fair
Route 9 Northbound over Floral Park Road	1966	14,400	Fair
Route 17 over Long Hill Brook	2014	14,300	Good
Route 9 Northbound over Beaver Meadow Road	1966	14,300	Poor
Route 9 Southbound over Route 154(MIDDLESEX Tpk)	1966	14,200	Fair
Route 9 Southbound over Route 153	1966	14,000	Fair
Route 9 Northbound over Route 153 & Route 154	1966	13,900	Fair
Route 9 Southbound over West Bridge Street	1967	13,900	Fair
I-91 SB Tr 823 over I-91 Northbound	1965	13,800	Fair
Route 17 over Long Hill Brook	1958	13,800	Fair
Route 9 Southbound over Route 81 & Ponset Brook	1966	13,800	Fair
Route 9 Southbound over Route 154	1966	13,600	Fair
Route 3 over P & W Railroad	1974	13,500	Fair
Route 9 Northbound over Route 154	1966	13,500	Good
Route 17 NB over East Main Street	1954	13,300	Fair
Route 81 over Interstate-95	1957	13,300	Fair
Route 17 over Long Hill Brook	2001	13,100	Good
Route 66 Eastbound over Route 66 Ramp 004	1965	11,700	Fair
Route 17 NB over Route 9	1955	11,400	Fair
Saybrook Road over Route 9	1959	10,582	Fair
Route 166 over Amtrak Railroad	1933	10,400	Fair
Route 17 over Main Street Extension	1955	10,200	Fair
Route 3 over Route 9	1967	9,200	Fair
Route 155 over Sumner Brook	1936	9,100	Good
Route 82 over Connecticut River	1913	9,100	Poor
Route 68 over Coginchaug River	1989	8,900	Good
US Route 1 over Menunketesuck River	2003	8,800	Fair
Silver Street over Route 9	1958	7,969	Fair
Route 153 (essex R over Interstate-95	1957	7,900	Poor
Route 145 over Menunketesuck River	1988	7,800	Fair
Route 145 over Interstate-95	1957	7,600	Fair
Route 82 over Roaring Brook	1982	7,600	Fair
Route 82 over Ruth Hill Rd&roaring Bk	1971	7,600	Fair
Route 166 over Interstate-95	1957	7,500	Fair
US Route 1 over Patchogue River	1925	7,400	Fair
Route 68 over Allyns Brook	1929	7,300	Fair
Route 17 over Reservoir Brk & Cattle P	1925	7,200	Fair
Route 66 over Abandoned RR & Drainage	1977	7,000	Fair
Route 81 over Indian River	1988	7,000	Fair
I-91 NB Tr 818 over Interstate-91 Northbound	1988	6,700	Fair
Route 82 over Succor Brook	2014	6,600	Good
Route 16 over Pocotopaug Creek	1939	6,300	Fair
Route 153 over Amtrak Railroad	1933	6,200	Fair
Industrial Park Rd over Mattabesset River	1983	6,100	Good
Route 17 SB over East Main Street	1949	6,100	Fair
Route 80 over Deep River	2021	6,100	Good
Route 80 over Deep River	1967	6,100	Fair
Route 16 over Salmon River	1932	6,000	Fair
East Main Street over Sumner Brook	1985	5,912	Good
Route 154 over Falls River	1982	5,800	Good
Route 79 over Hammonasset Brook	2015	5,800	Good
Route 80 over Rogers Pond	1941	5,700	Fair
Route 82 over Succor Brook	2014	5,700	Good
Country Club Road over Interstate 91	1965	5,400	Fair
Route 147 over Coginchaug River	2013	5,400	Good
Route 154 over Candlewood Hill Brook	2016	5,400	Good
Route 154 over Ponset Brook	1987	5,400	Good
Route 148 over Pattaconk Brook	1939	5,000	Good
Route 154 over Deep River	1984	5,000	Good
Route 148 over Pattaconk Brook	1991	4,800	Good
Route 80 over Chatfield Hollow Brook	1935	4,800	Fair
Evergreen Road over Route 9	1967	4,700	Fair
Route 17 over Sumner Brook	1955	4,600	Fair
Route 17A over Carr Brook	2014	4,600	Good
West Street over P & W Railroad	2019	4,572	Good
Route 9 Ramp 006 over Mud River	1966	4,405	Good
Route 148 over Pattaconk Brook	1984	4,400	Good
Prospect Street over P & W Railroad	2010	4,295	Good
Route 145 over Amtrak Railroad	1977	4,200	Fair
Route 154 over Mill Creek	1928	4,200	Fair
Route 154 over Chester Creek	2010	4,100	Good
Route 157 over Asmun Brook	1920	4,100	Fair
Route 157 over P&w Railroad	1980	4,100	Fair
SR 602 over Falls River	1983	4,100	Fair
Route 9 Ramp 027 over Ponset Brook	1965	4,000	Good
Ridge Road over Sumner Brook	1938	3,800	Fair
Route 154 over Roaring Brook	1931	3,800	Poor
Main Street over Pocotopaug Creek	2009	3,718	Good
Route 82 over Route 9	1971	3,700	Fair
Route 148 over Pattaconk Brook	1984	3,600	Fair
Route 148 over Pattaconk Brook	1984	3,600	Fair
Route 154 over Plum Bank Creek	2021	3,600	Good
Route 80 over Menunketesuck River	1983	3,600	Good
Coles Road over Route 9 Northbound	1968	3,573	Fair
Flat Rock Place over Wetlands	1996	3,518	Good
Flat Rock Place over Wetlands	1996	3,515	Good
Flat Rock Place over Wetlands	1996	3,511	Good
Route 9 Ramp 028 over Ponset Brook	1965	3,500	Fair
Route 9 Ramp 028 over Route 81	1965	3,500	Fair
SR 625 over Amtrak Railroad	1890	3,500	Fair
Main St. #2 over Brook	1983	3,442	Good
Russell Street over Sumner Brook	1935	3,433	Fair
Route 151 over Salmon River	2008	3,400	Good
Flat Rock Place over Wetlands	1996	3,380	Good
Route 81 over Ponset Brook	1983	3,300	Good
Route 82 over Eight Mile River	1925	3,300	Fair
Coles Road over Route 9 SB & Ramp	1967	3,200	Fair
Route 149 over Moodus River	1989	3,200	Fair
High Street over P & W Railroad	1982	3,166	Fair
Route 196 over Pocotopaug Creek	1913	3,100	Fair
Glenwood Road over Indian River	1958	3,025	Good
Route 154 over Back River	1935	3,000	Poor
Pearl Street over P & W Railroad	2009	2,958	Good
Route 17 over Carr Brook	1938	2,900	Fair
Cherry Hill Road over Coginchaug River	2000	2,897	Good
River Road #1 over Sumner Brook	1920	2,892	Poor
Liberty Street #1 over Amtrak Railroad	1992	2,700	Fair
River Road over Falls River	1954	2,677	Poor
Walnut Street over Route 9	1958	2,634	Fair
Route 196 over Pocotopaug Creek	1929	2,600	Fair
Old Clinton Road over Amtrak Railroad	1997	2,500	Good
Old Clinton Road over Patchogue River	1976	2,500	Fair
Willard Avenue over Interstate-95	1958	2,480	Good
Nod Road over Interstate-95	1957	2,400	Fair
Route 157 over Coginchaug River	1936	2,400	Fair
Wesleyan Hills Roa over Long Hill Brook	1960	2,346	Fair
Route 82 over Hemlock Valley Brook	2017	2,300	Good
Beach Park Road over Hammock River	1947	2,200	Fair
Clark Hill Road over Roaring Brook	1935	2,163	Fair
Long Hill Road over Interstate-95	1957	2,100	Fair
Route 154 over South Cove	1994	2,100	Good
Route 154 over South Cove	1994	2,100	Fair
Route 154 over South Cove	1994	2,100	Fair
Route 82 over Hungerford Brook	2017	2,100	Good
School House Road over Amtrak Railroad	1933	2,100	Fair
Route 151 over Mine Brook	1989	2,000	Fair
SR 609 over Moodus River	1930	2,000	Fair
Picket Lane over Hersig Brook	2022	1,919	Good
Route 148 over Brook	2015	1,900	Good
Route 151 over Moodus River	2010	1,900	Good
Route 9 SB RAMP16 over West Bridge Street	1967	1,850	Fair
Bow Lane over Route 9	1958	1,800	Fair
Route 151 over Pine Brook	1930	1,800	Fair
Union Street over Deep River	1930	1,680	Fair
Middlefield Street over Coginchaug River	1900	1,654	Fair
Mill Street over Long Hill Brook	2001	1,605	Good
Route 148 over Great Brook	2012	1,600	Good
Little City Road over Ponset Brook	1961	1,500	Good
Main Street over Pattaconk Brook	2016	1,500	Good
Essex Street over Pratt Cove	1999	1,470	Fair
Miner Street over Fall Brook	1978	1,463	Fair
Spring Street over Deep River	1982	1,428	Good
Dennison Road over Falls River	1964	1,314	Fair
Bridge Street over Deep River	1990	1,302	Fair
Dennison Road over Route 9	1967	1,300	Fair
East Haddam - Colc over Moodus Reservoir	2000	1,300	Fair
Saw Mill Road over Parmelee Brook	2001	1,300	Good
Dennison Road over Conn Valley Railroad	1910	1,274	Fair
Strickland Road over Coginchaug River	1936	1,258	Fair
Ingham Hill Road over Amtrak Railroad	1990	1,220	Good
Winthrop Road over Falls River	2016	1,200	Good
Dennison Road over Falls River	1968	1,182	Fair
Kelseytown Road over Menunketesuck River	2021	1,138	Good
Maple Avenue over Allyn Brook	1957	1,124	Good
Main Street Ext. over Sumner Brook	1935	1,101	Poor
Pond Meadow Road over Falls River	1980	1,100	Fair
Cider Mill Road over Coginchaug River	1933	1,071	Fair
Jail Hill Road over Beaver Meadow Brook	1986	1,045	Fair
Beaver Meadow Road over Beaver Meadow Brook	1983	1,000	Fair
Beaver Meadow Road over Beaver Meadow Brook	2022	1,000	Good
Haywardville Road over Eight Mile River	1970	1,000	Good
Village Street over Deep River	2012	986	Good
Walnut Street over Falls River	2018	963	Good
Brickyard Road over Menunketesuck River	1934	937	Fair
Miller Road over Coginchaug River	1936	881	Fair
North Main Street over Great Brook	2001	840	Good
North Main Street over Great Brook	1983	840	Good
St. Peters Lane over Candlewood Hill Brook	1963	816	Fair
Dublin Hill Road over Ponset Brook	2019	810	Good
Route 9 Ramp 026 over Ponset Brook	1965	800	Good
Silver Birch Lane over Brook	1980	780	Good
Little City Road over Candlewood Hill Brook	1991	700	Fair
North Main Street over Great Brook	1990	700	Good
Ssr 434 over Muddy Brook	1937	700	Fair
Christian Hill Rd over Route 9	1965	681	Fair
Pleasant Valley Rd over Menunketesuck River	2022	650	Good
North Road Extens. over Coles Brook	2020	597	Good
Kelseytwn Brdge Rd over Menunketesuck River	1938	595	Fair
Lynn Road over Falls River	2019	550	Good
Waterside Lane over Hammock River	1994	510	Poor
Ssr 434 over Brook	1937	500	Fair
Ssr 434 over Brook	1937	500	Fair
Thayer Road over Bible Rock Brook	1990	484	Fair
Depot Road over Candlewood Hill Brook	1986	469	Good
Scovil Road over Candlewood Hill Brook	1983	463	Fair
Depot Road over Ponset Brook	1983	408	Fair
Foxtown Road over Eight Mile River	2019	369	Good
Carter Hill Road over Menunketesuck River	2022	359	Good
Chatfield Hollow R over Chatfield Hollow Brook	1934	359	Good
River Road No. 1 over Chatfield Hollow Brook	1960	357	Good
Wilcox Street over Sumner Brook	2010	344	Fair
Heritage Boulevard over Miner Brook	1986	343	Good
Ben Merrill Road over Brook	2000	318	Poor
Wesley Avenue over Patchogue River	1991	312	Fair
Chatfield Hollow R over Chatfield Hollow Brook	2002	306	Good
Reservoir Road over Menunketesuck River	2009	306	Good
Chestnut Hill Road over Pine Brook	1987	285	Fair
Johnsonville Road over Moodus River	2019	285	Good
Chapman Millpond R over Interstate-95	1957	274	Fair
Nehantic Trail #2 over Mud Creek	2003	268	Good
Roberts Street over Route 9	1958	263	Fair
Grapevine Road over Candlewood Hill Brook	1990	254	Good
Wig Hill Road over Route 9	1968	250	Fair
Wilcox Hill Road over Reservoir Brook	1995	228	Good
Cesca Lane over Ball Brook	2000	212	Fair
Boardman Lane No 1 over Sawmill Brook	1981	174	Good
Bell Street over Sawmill Brook	1955	169	Fair
Berlin Street over P & W Railroad	1936	167	Fair
Mill Street over Sumner Brook	1953	161	Good
Gristmill Rd over Moodus River	1956	156	Fair
Dish Mill Road over Ponset Brook	1963	153	Good
Wig Hill Road over Pattaconk Brook	1950	150	Fair
Cheney Street over Brook	1983	127	Fair
Pine Ledge Road over Stream	1930	120	Fair
Abner Lane over Pond Meadow Brook	1998	119	Fair
Country Village La over Brook	1970	102	Poor
Jones Hill Road over Eight Mile River	2006	93	Good
Dolbia Hill Road 2 over Eight Mile River	2005	87	Good
North Road over Route 9 Southbound	1988	76	Good
North Road over Route 9 NB & Ramp	1988	71	Good
Boulder Dell Road over Bible Rock Brook	1986	57	Good
Jackson Street #1 over P & W Railroad	1936	56	Fair
River Road # 2 over Brook	1970	54	Fair
Shipyard Road over Mine Brook	1941	43	Fair

Source: FHWA National Bridge Inventory, 2025.

Middlesex County bridge conditions · Connecticut bridges by county.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.