Culvert bridges in Connecticut
A pipe or box structure carrying water beneath the roadway. Culverts over 20 feet long are counted as bridges. Connecticut has 675 of them, 15.5% of its bridges. Nationally this type accounts for 23.8% of all bridges.Compare states for this type.
- Culvert bridges
- 675
- Poor condition
- 5%
- 31 bridges
- Average age
- 47.3 yrs
- Combined length
- 4 mi
Busiest culvert bridges in Connecticut
Top 200 by daily traffic| Bridge | County | Location | Built | Type | Length | Daily traffic | Condition |
|---|---|---|---|---|---|---|---|
| INTERSTATE-91 over Goff Brook No. 01450 | Hartford County | 200 No. of Rocky Hill Tl | 1964 | Culvert | 25 ft | 143,400 | Fair |
| INTERSTATE-91&RT15 over Willow Brook No. 01822 | New Haven County | .12 MI North of E Main ST | 1964 | Culvert | 23 ft | 136,800 | Fair |
| Interstate 84 & Ro over Kohanza Brook No. 01187 | Fairfield County | Adjacent to Thorpe St. | 1962 | Culvert | 38 ft | 130,800 | Fair |
| INTERSTATE-95 over Wepawaug River No. 00145 | New Haven County | 325 Ft S of Route 121 | 1958 | Culvert | 51 ft | 130,100 | Fair |
| INTERSTATE-91 over Beaver Brook No. 01455 | Hartford County | 0.5 MI N of Rocky Hill Tl | 1964 | Culvert | 25 ft | 130,000 | Fair |
| I-84 AMTRAK Ctfa over No. Branch of Park River No. 06155A | Hartford County | Farmington Ave - JCT Box | 1964 | Culvert | 46 ft | 129,200 | Fair |
| INTERSTATE-84 over Rockledge Brook No. 01746 | Hartford County | 1 Mile East Farmington Tl | 1965 | Culvert | 32 ft | 128,200 | Fair |
| Interstate 84 over Padanaram Brook No. 01189 | Fairfield County | 0.3 MI West of Route 37 | 1960 | Culvert | 32 ft | 126,900 | Fair |
| I-95 & Ledge Road over Stony Brook No. 02395 | Fairfield County | Between Exits 10 & 11 | 1958 | Culvert | 21 ft | 124,900 | Fair |
| Interstate 95 over Noroton River No. 00039 | Windham County | Stamford\darien Town Line | 1958 | Culvert | 53 ft | 123,700 | Fair |
| INTERSTATE-95 over Sasco Creek No. 00073 | Fairfield County | Westport-Fairfield T.L. | 1958 | Culvert | 38 ft | 122,800 | Fair |
| INTERSTATE-91 over Brook No. 06735 | New Haven County | 3.4 MI N of I-95 | 1965 | Culvert | 21 ft | 120,200 | Fair |
| Interstate 84 over Beaver Brook No. 00546 | Fairfield County | 0.5 Mile West of Route 7 | 1962 | Culvert | 23 ft | 120,000 | Fair |
| INTERSTATE-91 over Mill Brook No. 01264 | Hartford County | 0.5 MI North of Route 305 | 1954 | Culvert | 21 ft | 118,100 | Good |
| INTERSTATE-95 over Ash Creek No. 01680 | Fairfield County | 1.7 MI South of Route 8 | 2003 | Culvert | 53 ft | 115,900 | Good |
| INTERSTATE-95 over Keeler Brook No. 02569 | Fairfield County | 0.75 Mile N. of Darien Tl | 1958 | Culvert | 24 ft | 115,900 | Fair |
| INTERSTATE-91 over Falls Brook No. 03136 | Middlesex County | 500-FT So. of Smith ST Br | 1965 | Culvert | 23 ft | 108,700 | Good |
| Interstate 91 & SR over Drainage No. 06654 | Hartford County | 100 Ft S of Airport RD | 1964 | Culvert | 23 ft | 107,800 | Fair |
| INTERSTATE-95 over Farm River No. 00184 | New Haven County | 0.3 MI N of Route 100 | 1958 | Culvert | 34 ft | 103,000 | Good |
| INTERSTATE-95 over Horseneck Creek No. 00008 | Fairfield County | Near Exit 3 | 1958 | Culvert | 24 ft | 101,800 | Fair |
| INTERSTATE-84 over Hockanum River No. 02381 | Hartford County | 0.2 MI East of Exit 56 | 1964 | Culvert | 64 ft | 100,100 | Fair |
| I-84 Ramps & Loca over Mad River No. 04319A | New Haven County | 0.1 MI West of Exit 23 EB | 1980 | Culvert | 67 ft | 99,800 | Fair |
| INTERSTATE-84 over Eight Mile River No. 01240 | Hartford County | 1.0 MI E of Route 229 | 1963 | Culvert | 58 ft | 94,500 | Fair |
| INTERSTATE-95 over Johnsons Creek No. 02573 | Fairfield County | 0.1 MI North of Route 113 | 1959 | Culvert | 23 ft | 93,800 | Fair |
| INTERSTATE-84 & Pl over Beaver Pond Brook No. 01227 | New Haven County | .1MI E of Harprs Ferry RD | 2018 | Culvert | 27 ft | 92,200 | Good |
| INTERSTATE-84 over Beaver Pond Brook No. 02537 | New Haven County | 0.3 MI W of Scott Road | 1960 | Culvert | 22 ft | 92,200 | Good |
| Route 9 over Willow Brook No. 01097 | Hartford County | 0.4 Mile North of Exit 23 | 1962 | Culvert | 32 ft | 91,800 | Fair |
| INTERSTATE-91 over Beamans Brook No. 05636 | Hartford County | 0.4 Mile North of Exit 46 | 1987 | Culvert | 26 ft | 88,700 | Good |
| INTERSTATE-91 over Spoon Shop Brook No. 01839 | New Haven County | I-91NB 200 S. of Exit 18 | 1965 | Culvert | 25 ft | 83,900 | Fair |
| INTERSTATE-691 over Harbor Brook No. 02125 | New Haven County | Enter @ Bunker Ave Park | 1971 | Culvert | 43 ft | 82,700 | Fair |
| INTERSTATE-84 over Pond Brook No. 01205 | Fairfield County | .79 MI E of Brookfield Tl | 1962 | Culvert | 32 ft | 82,500 | Fair |
| Route 15 over Pumpkin Brook No. 00758 | Fairfield County | 1.3 Miles W of Route 110 | 1941 | Culvert | 23 ft | 80,000 | Fair |
| Route 15 over Wilmot Brook No. 00778 | New Haven County | 1.0 MI S of Route 10 | 1949 | Culvert | 26 ft | 77,800 | Fair |
| INTERSTATE-84 over Welton Brook No. 03202 | New Haven County | 0.8 MI East Middlebury Tl | 1965 | Culvert | 24 ft | 77,100 | Fair |
| Route 9 over Piper Brook No. 05356 | Hartford County | .1 MI N of New Britain Tl | 1985 | Culvert | 54 ft | 73,800 | Fair |
| Interstate I-84 over Hop Brook No. 06552 | New Haven County | 0.07 MI West Brg# 01171 | 1964 | Culvert | 30 ft | 73,700 | Fair |
| INTERSTATE-95 over Latimers Brook No. 00251 | New London County | 0.5 MI N of Route 161 | 1958 | Culvert | 34 ft | 72,700 | Fair |
| Route 15 over Mill Brook No. 02153 | New Haven County | 1.0 MI N of Route 10 | 1943 | Culvert | 31 ft | 72,600 | Fair |
| Route 9 over Mattabesset River No. 01095 | Hartford County | .2 MI North Ex 22 RTE9 SB | 1962 | Culvert | 43 ft | 72,200 | Fair |
| INTERSTATE-95 over Neck River No. 00213 | New Haven County | 0.9 MI S of Route 79 | 1957 | Culvert | 21 ft | 72,100 | Good |
| INTERSTATE-95 over Branford River No. 00195 | New Haven County | 0.6 MI S of US Route 1 | 1958 | Culvert | 34 ft | 70,500 | Good |
| Route 2 over Hubbard Brook No. 01700 | Hartford County | 0.20 (e) Commerce ST | 1964 | Culvert | 31 ft | 70,300 | Good |
| Route 8 over Brook No. 06769 | Fairfield County | 0.5 M N of Route 127 | 1982 | Culvert | 22 ft | 69,900 | Good |
| Route 9 & Busway over Bass Brook No. 05357 | Hartford County | .13 MI South of Route 175 | 1985 | Culvert | 29 ft | 69,600 | Fair |
| Route 15 over Five Mile River No. 02144 | Fairfield County | 1 Mile South of RTE 123 | 1937 | Culvert | 41 ft | 68,300 | Fair |
| Route 2 over Salmon Brook No. 00385 | Hartford County | 150 (w)jct Rt 17&RT 94 | 1950 | Culvert | 33 ft | 65,900 | Fair |
| Route 15 over Mianus River No. 00701 | Fairfield County | 0.6 MI E Stamford T/L | 1937 | Culvert | 28 ft | 65,120 | Fair |
| Route 9 and Ramp over Spruce Brook No. 05799 | Hartford County | 400 S of RTE 372 O/Pass | 1988 | Culvert | 59 ft | 63,400 | Fair |
| INTERSTATE-395 over Trading Cove Brook No. 00269 | New London County | 1 Mile North of Route 2A | 1958 | Culvert | 26 ft | 63,200 | Fair |
| Interstate 95 over East Branch West River No. 06634 | New Haven County | 900 Ft South of Route 77 | 1958 | Culvert | 21 ft | 63,000 | Fair |
| Route 9 over Game Area Road No. 03521 | Middlesex County | 1.1 MI No. of Rt 99 | 1968 | Culvert | 21 ft | 61,300 | Good |
| INTERSTATE-691 over Sodom Brook No. 01968 | New Haven County | 0.4 MI E of Route 71 | 1971 | Culvert | 32 ft | 61,100 | Good |
| I-84 & Exit RAMP28 over Judd Brook No. 01232 | Hartford County | 0.3 MI W of Route 322 | 1961 | Culvert | 32 ft | 60,300 | Good |
| Route 8 & on Ramp over Streaming Ground Brook No. 03217 | Fairfield County | 0.7 MI S of Route 110 | 1950 | Culvert | 27 ft | 60,200 | Fair |
| INTERSTATE-95 over Indian Lake No. 00223 | Middlesex County | 0.2 MI N of Route 81 | 1957 | Culvert | 25 ft | 59,800 | Fair |
| INTERSTATE-95 over West Branch West River No. 00204 | New Haven County | 0.2 MI S of Route 77 | 1958 | Culvert | 30 ft | 59,300 | Fair |
| Route 15 over Cricker Brook No. 00741 | Fairfield County | 210 Ft N of Route 58 | 1940 | Culvert | 29 ft | 59,220 | Fair |
| I-95 & Parkway N. over Jordan Brook No. 01768 | New London County | 0.9 MI S of Route 85 | 1964 | Culvert | 25 ft | 58,100 | Good |
| Route 72 & Ramps over Quinnipiac River No. 03319 | Hartford County | 1.80 Mile South Route 177 | 1969 | Culvert | 24 ft | 57,300 | Fair |
| Routes 9 & 17 over Sumner Brook No. 00637 | Middlesex County | JCT of Rtes 9 & 17 | 1953 | Culvert | 24 ft | 55,700 | Fair |
| Route 3 over Keeney Cove No. 00418 | Hartford County | 1.4 MI N of I-91 | 1959 | Culvert | 35 ft | 55,100 | Good |
| INTERSTATE-84 over Roaring Brook No. 04308 | Tolland County | 1.3 Mile East of Route 32 | 1940 | Culvert | 45 ft | 54,200 | Fair |
| Route 15 over Byram River No. 00691 | Fairfield County | 1.6 MI N of N.Y. State | 1997 | Culvert | 48 ft | 53,800 | Fair |
| Route 15 over Converse Pond Brook No. 02134 | Fairfield County | 3.1 MI E of Ny State Line | 1935 | Culvert | 23 ft | 53,800 | Fair |
| INTERSTATE-95 over Patchogue River No. 00231 | Middlesex County | 0.1 MI S of Route 153 | 1957 | Culvert | 59 ft | 50,800 | Fair |
| INTERSTATE-91 over Little River No. 03098 | New Haven County | 0.2 MI N of Route 17 | 1965 | Culvert | 48 ft | 50,400 | Fair |
| RT8 & Rmps 139 140 over Beacon Hill Brook No. 04389 | New Haven County | At Exit 25 RTE 8 | 1981 | Culvert | 42 ft | 48,000 | Fair |
| Route 15 over Folly Brook No. 00812 | Hartford County | 0.26 Mile North of RTE 99 | 1941 | Culvert | 24 ft | 47,500 | Fair |
| Route 2 over Dark Hollow Brook No. 01856 | Hartford County | 1.3 MI W of Marlboro Tl | 1964 | Culvert | 25 ft | 47,400 | Good |
| Route 9 over Bass Brook No. 06105 | Hartford County | 0.1 MI N of Route 175 | 1991 | Culvert | 48 ft | 46,600 | Fair |
| Route 2 over Dark Hollow Brook No. 01857 | Hartford County | 0.9 MI East of Wassuc RD | 1964 | Culvert | 20 ft | 45,500 | Fair |
| INTERSTATE-384 over Globe Hollow Brook No. 03581 | Hartford County | .24 MI West of Route 83 | 1971 | Culvert | 21 ft | 44,800 | Fair |
| INTERSTATE-84 WB over Quinnipiac River No. 01244 | Hartford County | .30 Mi. West of Exit 32 | 1963 | Culvert | 32 ft | 44,700 | Fair |
| I-291 & King St. over Podunk River No. 05944 | Hartford County | 0.25 Miles West of U.S. 5 | 1958 | Culvert | 45 ft | 43,900 | Fair |
| I-691 WB and Ramps over Willow Brook No. 03050 | New Haven County | I-691 WB Exit No. 9 | 1965 | Culvert | 22 ft | 42,500 | Fair |
| Interstate 84 EB over Beaver Brook No. 01193 | Fairfield County | .18 MI E of US7 N.B. | 1962 | Culvert | 39 ft | 41,200 | Fair |
| INTERSTATE-84 EB over Quinnipiac River No. 01245 | Hartford County | .3 MI West of Exit 32 | 1963 | Culvert | 32 ft | 40,800 | Fair |
| Interstate 84 WB over Beaver Brook No. 01194 | Fairfield County | .25 Mile East of US 7(NB) | 1962 | Culvert | 31 ft | 40,700 | Fair |
| Route 2 over Dickerson Creek No. 01709 | Hartford County | .3 MI East of West RD | 1964 | Culvert | 25 ft | 40,200 | Good |
| US Route 1+SR 722 over Pequonnock River No. 03767 | Fairfield County | 0.2 MI E of Route 8 | 1972 | Culvert | 54 ft | 38,100 | Fair |
| Route 218 over Meadow Brook No. 06227 | Hartford County | 0.25 Mile West of I-291 | 1993 | Culvert | 22 ft | 36,600 | Good |
| I-84 Ramps & Local over Park River Conduit No. 06155B | Hartford County | So Branch - Armory Pump | 1964 | Culvert | 74 ft | 33,900 | Fair |
| Route 9 over Falls River No. 03418 | Middlesex County | 0.8 MI S of Route 154 | 1967 | Culvert | 43 ft | 32,600 | Fair |
| SR 598 & Local Rds over Park River Conduit No. 06155C | Hartford County | Beneath Route 598 | 1940 | Culvert | 61 ft | 32,300 | Fair |
| Plank Road over Mad River No. 05668 | New Haven County | 100W of Harpers Ferry RD | 2015 | Culvert | 46 ft | 31,626 | Good |
| Route 9 over Great Brook No. 06639 | Middlesex County | 0.4 MI N of Route 82 | 1967 | Culvert | 38 ft | 31,100 | Good |
| INTERSTATE-395 over Hunts Brook No. 00257 | New London County | 1.6 MI N of Route 85 | 1957 | Culvert | 32 ft | 30,700 | Fair |
| INTERSTATE-395 over Mill Brook No. 00296 | Windham County | 4 Mile North of Route 201 | 1958 | Culvert | 21 ft | 30,000 | Good |
| INTERSTATE-395 over Lathrop Brook No. 02986 | Windham County | .1 MI S of Lathrop RD | 1958 | Culvert | 28 ft | 30,000 | Good |
| I-95 Ramp 101 & Ro over Johnsons Creek No. 02633 | Fairfield County | I-95 Northound Exit 30 | 1959 | Culvert | 23 ft | 27,900 | Fair |
| SR 501 over Rockledge Brook No. 01755 | Hartford County | 0.6 Mile South of Park RD | 1965 | Culvert | 25 ft | 27,200 | Fair |
| Route 218 over Wash Brook No. 05243 | Hartford County | 100 Ft East of Route 189 | 1982 | Culvert | 39 ft | 25,800 | Fair |
| Route 15 over Mattabesset River No. 00805 | Hartford County | .3 MI S of JCT Route 160 | 1926 | Culvert | 38 ft | 25,100 | Fair |
| Main Street over Salmon Brook No. 05731 | Hartford County | 1 Mi. South of Route 3 | 1987 | Culvert | 25 ft | 25,001 | Good |
| Route 175 over Mill Brook No. 05337 | Hartford County | 475 Ft East of Route 173 | 1984 | Culvert | 26 ft | 24,800 | Fair |
| US Route 7 over Saugatuck River No. 05871 | Fairfield County | 75 No of Bennets Pond RD | 1990 | Culvert | 26 ft | 24,600 | Fair |
| Route 15 over Baldwins Pond No. 00801 | New Haven County | Over Baldwins Pond | 1946 | Culvert | 29 ft | 24,200 | Fair |
| SR 806 over Limekiln Brook No. 06016 | Fairfield County | 0.2 MI S of I-84 Exit 8 | 1991 | Culvert | 62 ft | 24,000 | Good |
| Route 69 over Stream No. 03611 | New Haven County | 0.6 Mi. So. of Wolcott Tl | 1969 | Culvert | 25 ft | 23,400 | Fair |
| Route 17 over Little River No. 03097 | New Haven County | 200 Ft East of I-91 | 1965 | Culvert | 43 ft | 23,100 | Fair |
| Route 218 over Mucky Brook No. 06297 | Hartford County | .5MI East of Route 189 | 1992 | Culvert | 21 ft | 22,700 | Fair |
| INTERSTATE-691 EB over Spoon Shop Brook No. 01840 | New Haven County | 0.2 MI W of Route 66 | 1965 | Culvert | 25 ft | 22,500 | Fair |
| INTERSTATE-691 EB over Willow Brook No. 03049 | New Haven County | 315 Ft E of Route 15 | 1965 | Culvert | 22 ft | 22,500 | Fair |
| Route 111 over Pequonnock River No. 04390 | Fairfield County | 150 Ft North of Route 25 | 1980 | Culvert | 35 ft | 22,400 | Fair |
| INTERSTATE-95 SB over Stony Brook No. 01801 | New London County | 0.6 MI N of Route 234 | 1964 | Culvert | 30 ft | 22,400 | Fair |
| SR 805 (federal Ro over Beaver Brook No. 00553 | Fairfield County | Int of SR 840 & SR805 | 1962 | Culvert | 27 ft | 22,100 | Fair |
| Route 85 over Jordan Brook No. 05999 | New London County | 0.7 MI S of I-395 | 1991 | Culvert | 21 ft | 21,600 | Fair |
| INTERSTATE-395 over Culver Brook No. 06653 | Windham County | I-395 near MP 45 | 1966 | Culvert | 23 ft | 21,000 | Fair |
| Route 83 over Ogden Brook No. 06641 | Tolland County | 1.3 Miles South of RTE 74 | 1974 | Culvert | 22 ft | 20,900 | Fair |
| INTERSTATE-691 WB over Spoon Shop Brook No. 01841 | New Haven County | 0.2 MI West of Route 66 | 1965 | Culvert | 26 ft | 20,700 | Fair |
| Route 3 over Beaver Brook No. 06822 | Hartford County | 250 N of Spring ST | 2002 | Culvert | 28 ft | 20,300 | Fair |
| Hayestown Ave over Padanaram Brook No. 05485 | Fairfield County | 0.1 MI E of Route 37 | 1987 | Culvert | 27 ft | 20,215 | Fair |
| U.S. Route 5 over Hockanum River No. 00440 | Hartford County | 0.2 Mile North of RTE 15 | 1941 | Culvert | 65 ft | 19,600 | Fair |
| US Route 6 over Blackmans Brook No. 06593 | Tolland County | 1.24 MI West Columbia Tl | 2000 | Culvert | 28 ft | 18,900 | Fair |
| US Route 7 over Cooper Pond Brook No. 00535 | Fairfield County | 100 Ft S of Route 102 | 1961 | Culvert | 35 ft | 18,800 | Fair |
| Route 25 over W. Branch Pequonnock Rvr No. 02219 | Fairfield County | 2 Miles North of Rte. 111 | 2019 | Culvert | 34 ft | 18,800 | Good |
| US Route 1 over Strickland Brook No. 01952 | Fairfield County | At Int of Sinawoy RD | 1911 | Culvert | 30 ft | 18,700 | Fair |
| INTERSTATE-95 SB over Anguilla Brook No. 01805 | New London County | 2.6 MI N of Route 234 | 1964 | Culvert | 38 ft | 18,600 | Fair |
| Route 30 & 83 over Tankerhoosen River No. 05239 | Tolland County | 0.3 MI E of Manchester Tl | 1932 | Culvert | 32 ft | 18,600 | Fair |
| Buckland Road over Plum Gully Brook No. 06287 | Hartford County | 0.1 Mile South of RTE 30 | 1960 | Culvert | 34 ft | 18,500 | Fair |
| Route 162 over Turtle Creek No. 06755 | New Haven County | 0.7 MI E of Route 736 | 2024 | Culvert | 23 ft | 18,200 | Good |
| INTERSTATE-95 NB over Anguilla Brook No. 01804 | New London County | 2.6 MI N of Route 234 | 1964 | Culvert | 38 ft | 18,200 | Fair |
| Route 71 over Rockledge Brook No. 06718 | Hartford County | 0.2 MI West of Route 173 | 1975 | Culvert | 22 ft | 17,600 | Fair |
| US Route 7 over Geotzen Brook No. 05477 | Fairfield County | 1.2 MI N of Route 33 | 1985 | Culvert | 21 ft | 17,500 | Good |
| Route 175 over Bass Brook No. 05359 | Hartford County | 0.1 MI W. of Newington Tl | 1985 | Culvert | 37 ft | 17,500 | Fair |
| INTERSTATE-95 NB over Stony Brook No. 01800 | New London County | 0.6 MI N of Route 234 | 1964 | Culvert | 32 ft | 17,500 | Fair |
| US Route 6 over Hop River State Pk Trail No. 06585 | Tolland County | 1.06 MI West Columbia Tl | 2000 | Culvert | 44 ft | 17,100 | Good |
| US 6 & Ramp SR 633 over Sawmill Brook No. 02532 | Tolland County | 0.1 MI West of Route 195 | 1973 | Culvert | 25 ft | 17,000 | Good |
| Route 67 over Little River No. 05435 | New Haven County | 1.3 Miles West of Route 8 | 1987 | Culvert | 26 ft | 16,900 | Fair |
| US Route 44 over Bolton Pond Brook No. 05771 | Tolland County | 0.3 MI W of Coventry Tl | 1989 | Culvert | 21 ft | 16,700 | Good |
| Route 2 Westbound over Lymans Brook No. 01713 | Hartford County | .3 MI West of So Main ST | 1964 | Culvert | 20 ft | 16,600 | Good |
| I-91 NB Ramp 016 over Little River No. 03095 | New Haven County | I-91 NB Exit No 8 | 1965 | Culvert | 49 ft | 16,600 | Fair |
| Patriot DR & Mnrr over Still River No. 04290 | Fairfield County | 390 Ft S of White Street | 1975 | Culvert | 42 ft | 16,320 | Fair |
| Trout Brook Drive over East Branch Trout Brook No. 05303 | Hartford County | 850 S Int Asylum Avenue | 1983 | Culvert | 40 ft | 15,660 | Fair |
| Route 58 over Cricker Brook No. 06549 | Fairfield County | 160 Ft S. of Route 15 | 1938 | Culvert | 32 ft | 15,600 | Fair |
| SR 529 over Piper Brook Relocation No. 02862 | Hartford County | 0.6 MI East of Route 173 | 1973 | Culvert | 75 ft | 15,600 | Fair |
| INTERSTATE-395 SB over Five Mile River No. 03464 | Windham County | 1.5 Mile N of Route 101 | 1968 | Culvert | 48 ft | 15,500 | Fair |
| Route 4 over So Branch Bunnell Brook No. 00428 | Hartford County | 0.5 Miles West of Rte. 69 | 1956 | Culvert | 25 ft | 15,300 | Fair |
| Mountain Road #1 over Tumble Brook No. 04359 | Hartford County | 200 So of Bloomfield Tl | 1982 | Culvert | 21 ft | 15,140 | Fair |
| Mountain Road #1 over Trout Brook No. 05428 | Hartford County | 200 N Gloucester Lane | 1986 | Culvert | 25 ft | 15,140 | Good |
| Route 70 over Ten Mile River No. 05708 | New Haven County | 1.7 MI East of I-84 | 1989 | Culvert | 52 ft | 15,000 | Fair |
| US Route 1 over Island Brook No. 03763 | Fairfield County | 0.4 MI N of Route 8 | 1972 | Culvert | 31 ft | 14,700 | Fair |
| INTERSTATE-395 NB over Five Mile River No. 03465 | Windham County | 1.5 Mile N of Route 101 | 1968 | Culvert | 47 ft | 14,700 | Fair |
| Route 173 over Piper Brook No. 01476 | Hartford County | 1.3 MI North of Route 175 | 1937 | Culvert | 38 ft | 14,100 | Fair |
| INTERSTATE-95 NB over Shunock River No. 01810 | New London County | 0.3 MI S of Route 49 | 1964 | Culvert | 36 ft | 13,600 | Good |
| Route 10 over Quinnipiac River No. 02254 | Hartford County | 0.8 MI N of I-84 | 1972 | Culvert | 31 ft | 13,500 | Good |
| US Route 202 over Bakersville Brook No. 00912 | Litchfield County | 1.4 MI N of Torrington Tl | 1959 | Culvert | 24 ft | 13,500 | Fair |
| South Curtis Stree over Meetinghouse Brook No. 06982 | New Haven County | 660 Ft S of Curtis Street | 1989 | Culvert | 25 ft | 13,500 | Good |
| Route 372 over Spruce Brook No. 01091 | Hartford County | .5 MI East of Route 15 | 1942 | Culvert | 32 ft | 13,400 | Fair |
| West Middle Tpke. over Bigelow Brook No. 03876 | Hartford County | 1 Mile East of JCT US 44 | 1975 | Culvert | 25 ft | 13,300 | Good |
| Main Street over Porter Brook No. 05584 | Hartford County | .3 MI N of Glastonbury Tl | 1983 | Culvert | 21 ft | 13,300 | Good |
| INTERSTATE-95 SB over Shunock River No. 01811 | New London County | 0.3 MI S of Route 49 | 1970 | Culvert | 37 ft | 13,200 | Good |
| Harpers Ferry Road over Beaver Pond Brook No. 03727 | New Haven County | North of I-84 Overpass | 1952 | Culvert | 25 ft | 13,000 | Good |
| Starr Avenue over Kohanza Brook No. 04079 | Fairfield County | 225 Ft N of I-84 | 1960 | Culvert | 24 ft | 12,806 | Fair |
| Route 159 over Deckers Brook No. 06228 | Hartford County | 0.1 Mile North of RTE 291 | 1993 | Culvert | 30 ft | 12,700 | Fair |
| Route 83 & 74 over Hockanum River No. 06294 | Tolland County | 300 West of West Street | 1993 | Culvert | 28 ft | 12,600 | Good |
| Martin L King DR over Brook No. 06136 | Fairfield County | At RTE 136 Intersection | 1984 | Culvert | 22 ft | 12,546 | Fair |
| Freshwater Blvd over Freshwater Brook No. 06194 | Hartford County | 0.2 Mile North of RTE 190 | 1970 | Culvert | 25 ft | 12,500 | Fair |
| Marion Avenue over Eight Mile River No. 04336 | Hartford County | 475 Ft E of I-84 | 1979 | Culvert | 38 ft | 12,400 | Good |
| US Route 1 over Latimer Brook No. 05297 | New London County | 0.1 MI N of Route 161 | 1984 | Culvert | 59 ft | 12,400 | Good |
| Kelsey Street over Webster Brook No. 04332 | Hartford County | 900 E of New Britain Tl | 1979 | Culvert | 22 ft | 12,360 | Good |
| Route 167 over Hop Brook Pond No. 05427 | Hartford County | 0.4 MI West of RTE 10/202 | 1986 | Culvert | 50 ft | 12,200 | Fair |
| Route 176 -Main ST over Mill Brook No. 05904 | Hartford County | 0.6 Mile North of RTE 175 | 1990 | Culvert | 25 ft | 12,100 | Good |
| Route 142 over Farm River No. 02384 | New Haven County | 0.2 MI W of Route 100 | 1973 | Culvert | 54 ft | 11,900 | Good |
| Route 25 over Pond Brook No. 03265 | Fairfield County | .2 MI North of RT.6 & 25 | 1961 | Culvert | 21 ft | 11,800 | Fair |
| U.S. Route 6 over South Brook No. 02350 | Litchfield County | 0.2 MI W of Route 64 | 1973 | Culvert | 25 ft | 11,700 | Good |
| Route 83 & Ramp over Hop Brook No. 03584 | Hartford County | 300 Ft North of I-384 | 1970 | Culvert | 25 ft | 11,600 | Good |
| Asylum Avenue over North Branch Park River No. 03630 | Hartford County | 300 East of Elizabeth ST | 1959 | Culvert | 63 ft | 11,600 | Fair |
| Maple Avenue over Polkville Brook No. 03634 | Hartford County | .20 MI East of Route 69 | 1956 | Culvert | 21 ft | 11,480 | Fair |
| Route 10 over Nod Brook No. 00651 | Hartford County | 0.4 MI North of Route 44 | 1956 | Culvert | 26 ft | 11,400 | Fair |
| SR 536 over Quinnipiac River No. 06500 | Hartford County | 0.2 MI W of East JCT 372 | 1969 | Culvert | 23 ft | 11,300 | Good |
| Surf Avenue over Brook No. 06132 | Fairfield County | 330 Feet North of I-95 | 1955 | Culvert | 20 ft | 11,220 | Fair |
| Howard Street over Brook No. 06145 | New London County | 150 Ft N of Hamilton ST | 1975 | Culvert | 26 ft | 11,100 | Fair |
| Frost Road over Mad River No. 04163 | New Haven County | 0.2 Mile East of Route 69 | 1965 | Culvert | 53 ft | 11,000 | Fair |
| US Route 6 over Pond Brook No. 05565 | Fairfield County | Intersection Routes 6&25 | 1988 | Culvert | 36 ft | 10,900 | Good |
| US Route 1 over Fort Hill Brook No. 02389 | New London County | 0.4 MI East of Route 117 | 1963 | Culvert | 28 ft | 10,900 | Fair |
| US Route 1 over Latimers Brook No. 05318 | New London County | 0.3 MI N of I-95 | 1985 | Culvert | 42 ft | 10,800 | Fair |
| Route 322 over Quinnipiac River No. 00519 | Hartford County | Southington-Cheshire Tl | 1948 | Culvert | 63 ft | 10,600 | Fair |
| Route 9 Ramp 058 over Bass Brook No. 05360 | Hartford County | SB on Ramp from Route 175 | 1985 | Culvert | 35 ft | 10,600 | Fair |
| Route 71 over Willow Brook No. 05873 | Hartford County | New Britain-Berlin Town L | 1990 | Culvert | 45 ft | 10,600 | Fair |
| RTE10&FAIRVIEW Ave over Storm Drain No. 06097 | New Haven County | JCT RTE 10&ARCH &fairview | 1982 | Culvert | 24 ft | 10,600 | Good |
| US Route 1 over Betts Pond Brook No. 03823 | Fairfield County | 0.1 MI S of Route 53 | 1975 | Culvert | 46 ft | 10,500 | Fair |
| I384 Ramp & Keeney over Hop Brook No. 03579 | Hartford County | I-384 WB Exit 2 Off Ramp | 1968 | Culvert | 32 ft | 10,500 | Good |
| Garamella Blvd over Padanaram Brook No. 06184 | Fairfield County | 0.2 MI E of Route 53 | 1986 | Culvert | 33 ft | 10,405 | Fair |
| Route 107 over Norwalk River No. 01305 | Fairfield County | 150 Ft S of Route 57 | 1953 | Culvert | 57 ft | 10,400 | Fair |
| US Route 1 over Stony Brook No. 01876 | Fairfield County | 0.4 MI W. of Route 33 | 1958 | Culvert | 23 ft | 10,400 | Fair |
| Backus Avenue over Brook No. 06522 | Fairfield County | Danbury Mall West Entran | 1987 | Culvert | 35 ft | 10,394 | Fair |
| Route 302 over Brook No. 03270 | Fairfield County | 0.8 Mile East of Route 53 | 1995 | Culvert | 21 ft | 10,200 | Good |
| Route 67 over Little River No. 05434 | New Haven County | 5.3 MI W of Route 8 | 1986 | Culvert | 37 ft | 10,100 | Good |
| 291 Rmp & Deerf RD over Deckers Brook No. 06230 | Hartford County | 0.1 Mile East of Rte. 159 | 1993 | Culvert | 40 ft | 10,000 | Good |
| Route 10 over Quinnipiac River No. 06291 | Hartford County | 0.5 MI N of Route 322 | 1994 | Culvert | 45 ft | 9,800 | Fair |
| US Route 1 Route over Turneys Creek No. 03909 | Fairfield County | JCT RTE 130 & Old Post RD | 1975 | Culvert | 35 ft | 9,700 | Fair |
| Brass Mill Drive over Mad River No. 06545 | New Haven County | 0.1 MI North of Union ST | 1997 | Culvert | 49 ft | 9,700 | Good |
| Route 34 over Derby Canal No. 06062 | New Haven County | 0.8 MI W of Route 8 | 1952 | Culvert | 75 ft | 9,600 | Fair |
| Route 220 - Shaker over Freshwater Brook No. 06265 | Hartford County | 0.2 MI East of Route 192 | 1993 | Culvert | 23 ft | 9,500 | Good |
| SR 734 (daniels Fa over Pequonnock River No. 06017 | Fairfield County | 375 Ft N of Route 127 | 1991 | Culvert | 43 ft | 9,400 | Good |
| Route 72 over Brook No. 02465 | Hartford County | 0.2 Mile West of Route 69 | 1954 | Culvert | 36 ft | 9,400 | Fair |
| Balmforth Ave & Ma over Padanaram Brook No. 05743 | Fairfield County | 390 Ft S of Route 37 | 1988 | Culvert | 25 ft | 9,385 | Fair |
| Route 57 over Lees Canal No. 05700 | Fairfield County | 0.4 MI N of Route 33 | 1989 | Culvert | 26 ft | 9,300 | Good |
| Route 185 over Tumble Brook No. 01501 | Hartford County | 0.1 Mile West of Rte. 218 | 1949 | Culvert | 21 ft | 9,300 | Fair |
Counties with the most
| Hartford County | 174 |
| Fairfield County | 116 |
| New Haven County | 113 |
| New London County | 67 |
| Litchfield County | 66 |
| Middlesex County | 65 |
| Tolland County | 46 |
| Windham County | 28 |
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