Total Bridges
4,277
Public highway bridges in Connecticut
State profile · Below median Poor share
Connecticut bridge safety
Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Connecticut, based on the FHWA National Bridge Inventory.
- 4,277
- Public bridges
- 24.0%
- Good condition
- 4.0%
- Poor condition
Data updated May 2026
Good Condition
24.0%
1,025 bridges rated 7-9
-26.0pp vs 50% benchmark
Poor Condition
4.0%
169 bridges whose lowest applicable component is rated 0-4
-3.0pp vs national avg 7.0%
Connecticut vs national bridge condition
Connecticut - Good condition share 24.0%
National avg
Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).
Connecticut - Poor-condition share 13.2%
National avg
Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.
Condition Distribution
Connecticut vs nearby ranks
Adjacent states by Poor-condition share (lower share = better)
States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below Connecticut on the same metric.
Bridges Needing Most Attention in Connecticut
Six lowest-condition bridges in Connecticut, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.
SHERMAN STREET
PoorOver: YANTIC RIVER
1 MILE WEST ROUTE 2, New London, CT
Built 1920 Load: 3.9 t
RIVER BANK ROAD
PoorOver: EAST BRANCH MIANUS RIVER
0.8 MI N OF ROUTE 15, Fairfield, CT
Built 1957 Load: 8.1 t ADT: 1,500
TRACY ROAD #1
PoorOver: KITT BROOK
0.5 MI SOUTH OF ROUTE 14, Windham, CT
Built 1928 Load: 8.7 t ADT: 176
ROUTE 136
PoorOver: SAUGATUCK RIVER
BETWEEN I-95 EXIT 17 & 18, Fairfield, CT
Built 1870 Load: 10.0 t ADT: 14,500
KENSINGTON ROAD
PoorOver: MATTABESSET RIVER
0.2 MI S OF ROUTE 372, Hartford, CT
Built 1958 Load: 10.0 t ADT: 4,200
SR 664
PoorOver: SNAKE MEADOW BROOK
3 MI NORTH OF ROUTE 14, Windham, CT
Built 1925 Load: 11.3 t ADT: 600
All Bridges in Connecticut
CHURCH STREET
FairOver: CHURCH STREET TUNNEL
100' SOUTH OF GEORGE ST, New Haven, CT
Built 1963 Load: 44.7 t ADT: 15,300
ROUTE 197
FairOver: MUDDY BROOK
.5 MI EAST OF RTE 169, Windham, CT
Built 1987 Load: 44.7 t ADT: 2,600
CANAAN MOUNTAIN RD
FairOver: WANGUM LAKE BROOK
NORTH OF UNDER MTN RD, Litchfield, CT
Built 1988 Load: 44.8 t ADT: 125
BEACHSIDE AVENUE
FairOver: SASCO BROOK
AT FAIRFIELD TOWN LINE, Fairfield, CT
Built 1989 Load: 44.9 t ADT: 3,100
ROUTE 15
FairOver: METRO-NORTH RAILROAD
0.2 MI N OF US ROUTE 7, Fairfield, CT
Built 1937 Load: 45.0 t ADT: 54,320
ROUTE 15
FairOver: CONVERSE POND BROOK
0.3 MI N OF EXIT NO. 28, Fairfield, CT
Built 1934 Load: 45.0 t ADT: 59,020
OLD TOWN ROAD
FairOver: PEQUONNOCK RV & TRAIL
150 FT W OF ROUTE 127, Fairfield, CT
Built 1971 Load: 45.0 t ADT: 15,050
GRASMERE AVENUE
FairOver: METRO NORTH RAILROAD
JCT KINGS HWY EAST, Fairfield, CT
Built 1900 Load: 45.0 t ADT: 4,700
ROUTE 71
FairOver: BASS BROOK
1 MI SO. OF FARMINGTON TL, Hartford, CT
Built 1958 Load: 45.0 t ADT: 9,300
VINEYARD ROAD
FairOver: BURLINGTON BROOK
300' WEST OF RTE 4, Hartford, CT
Built 2016 Load: 45.0 t ADT: 1,323
NEW STREET
FairOver: STILL RIVER
200 FEET EAST OF SR 800, Litchfield, CT
Built 1970 Load: 45.0 t ADT: 1,060
INTERSTATE-95
FairOver: COW HILL ROAD
0.4 MI S OF ROUTE 81, Middlesex, CT
Built 1957 Load: 45.0 t ADT: 52,200
INTERSTATE-95
FairOver: MILL PLAIN ROAD
0.1 MI N OF US ROUTE 1, New Haven, CT
Built 1958 Load: 45.0 t ADT: 70,500
GRAND AVENUE
FairOver: METRO NORTH RAILROAD
50' EAST OF STATE STREET, New Haven, CT
Built 1933 Load: 45.0 t ADT: 9,800
INTERSTATE-395
FairOver: OTROBANDO AVENUE
.3 MI N OF ROUTES 2 & 32, New London, CT
Built 1958 Load: 45.0 t ADT: 37,800
STANTON ROAD
FairOver: YANTIC RIVER
600 FT N OF ROUTE 608, New London, CT
Built 1957 Load: 45.0 t ADT: 401
ROUTE 200
FairOver: ABANDONED RAILROAD
.4 E OF BUCKLEY HILL RD, Windham, CT
Built 1960 Load: 45.0 t ADT: 4,800
ROUTE 169
FairOver: BLACKWELL BROOK
5 MILES NORTH OF ROUTE 14, Windham, CT
Built 1927 Load: 45.3 t ADT: 2,300
US ROUTE 1
FairOver: MILL RIVER
NEAR SASCO HILL ROAD, Fairfield, CT
Built 1990 Load: 45.4 t ADT: 13,900
ROUTE 179
FairOver: MILL RACE
2 MILES NORTH OF ROUTE 4, Hartford, CT
Built 1959 Load: 45.4 t ADT: 10,400
I-84 RAMP 115
FairOver: AMTRAK AND PARKING LOT
.33 MI N OF JCT SR 503 WB, Hartford, CT
Built 1965 Load: 45.4 t ADT: 9,500
INTERSTATE-84 WB
FairOver: PARKING LOT
.27 MI WEST SIGOURNEY ST, Hartford, CT
Built 1969 Load: 45.4 t ADT: 64,800
NEW STATE ROAD
FairOver: HOCKANUM RIVER
0.5 MI NORTH OF RTE 6/44, Hartford, CT
Built 2004 Load: 45.4 t ADT: 5,300
ROUTE 218
FairOver: WASH BROOK
100 FT EAST OF ROUTE 189, Hartford, CT
Built 1982 Load: 45.4 t ADT: 25,800
ROUTE 4
FairOver: LEADMINE BROOK
0.1 MILE EAST OF RTE. 118, Litchfield, CT
Built 1927 Load: 45.4 t ADT: 13,100
U.S. ROUTE 7
FairOver: GUNN BROOK
0.10 MI SOUTH OF ROUTE 45, Litchfield, CT
Built 1924 Load: 45.4 t ADT: 2,100
US ROUTE 44
FairOver: MILL BROOK
1.3 MI EAST COLEBROOK TL, Litchfield, CT
Built 1934 Load: 45.4 t ADT: 5,200
ROUTE 8 NORTHBOUND
FairOver: ECHO LAKE ROAD
1.9 MI NORTH WATERBURY LN, Litchfield, CT
Built 1964 Load: 45.4 t ADT: 15,100
US ROUTE 5
FairOver: QUINNIPIAC RIVER
.2 MI S OF INTERSTATE-91, New Haven, CT
Built 1973 Load: 45.4 t ADT: 19,200
I-91 NB RAMP 138
FairOver: MILL RIVER
I-91 NB EXIT NO. 5, New Haven, CT
Built 1965 Load: 45.4 t ADT: 11,300
INTERSTATE-91 SB
FairOver: AMTRAK RAILROAD
.14 MILES S OF ROUTE 22, New Haven, CT
Built 1965 Load: 45.4 t ADT: 45,400
ROUTE 69
FairOver: STREAM
0.6 MI. SO. OF WOLCOTT TL, New Haven, CT
Built 1969 Load: 45.4 t ADT: 23,400
CAMP STREET #1
FairOver: HARBOR BROOK
0.3 MI W OF US ROUTE 5, New Haven, CT
Built 1895 Load: 45.4 t ADT: 2,870
LOPUS ROAD
FairOver: METRO-NORTH RAILROAD
.4 MILES S OF MAIN STREET, New Haven, CT
Built 1991 Load: 45.4 t ADT: 500
ROUTE 68
FairOver: FULLING MILL BROOK
1.3 MI E OF ROUTE 63, New Haven, CT
Built 1933 Load: 45.5 t ADT: 12,300
OLD HARTFORD ROAD
FairOver: JEREMY RIVER
0.5 MI EAST OF ROUTE 149, New London, CT
Built 1998 Load: 45.5 t ADT: 1,600
INTERSTATE-95
FairOver: BRENTWOOD AVENUE
0.3 MI N OF US ROUTE 1, Fairfield, CT
Built 1958 Load: 45.7 t ADT: 120,200
INTERSTATE 84 EAST
FairOver: HRRC & BOULEVARD ROAD
1.5 MI WEST OF SR 816, Fairfield, CT
Built 1962 Load: 45.7 t ADT: 38,000
US ROUTE 7 SB
FairOver: STILL RIV & GRAYS BR RD
0.6 MI NO OF FEDERAL RD, Fairfield, CT
Built 1976 Load: 45.7 t ADT: 14,700
FARRELL ROAD
FairOver: HOUSATONIC RR
N OF OLD HAWLEYVILLE RD, Fairfield, CT
Built 1912 Load: 45.7 t ADT: 333
KENOSIA AVENUE
FairOver: MILL PLAIN SWAMP
0.4 MI S OF US ROUTE 6, Fairfield, CT
Built 1930 Load: 45.7 t ADT: 4,900
INTERSTATE 691 EAS
FairOver: PRATT STREET
0.3 MI W OF ROUTE 322, Hartford, CT
Built 1984 Load: 45.7 t ADT: 30,700
ROUTE 8 NORTHBOUND
FairOver: CAMPVILLE ROAD
ROUTE 8 EXT 41, Litchfield, CT
Built 1960 Load: 45.7 t ADT: 12,200
ROUTE 8 SOUTHBOUND
FairOver: NAUGATUCK RAILROAD CO.
0.3 MI N OF ROUTE 222, Litchfield, CT
Built 1966 Load: 45.7 t ADT: 10,700
I-91 SB & RAMP C
FairOver: WILLOW STREET
330 FT W OF US RT 5, New Haven, CT
Built 1965 Load: 45.7 t ADT: 67,400
WEST STREET
FairOver: MIDDLE RIVER
0.2 MILE SOUTH OF RTE 190, Tolland, CT
Built 1956 Load: 45.7 t ADT: 1,600
SR 527
FairOver: HOCKANUM RIVER
0.1 MILE SOUTH OF RTE 74, Tolland, CT
Built 1990 Load: 45.7 t ADT: 7,200
PROSPECT STREET
FairOver: HOP BROOK
100 FT S OF HARTFORD ROAD, Hartford, CT
Built 1997 Load: 45.8 t ADT: 1,210
CHAPEL STREET
FairOver: PROV & WORC RAILROAD
100FT EAST OF EAST STREET, New Haven, CT
Built 1912 Load: 45.8 t ADT: 8,452
ROUTE 8 NORTHBOUND
FairOver: CATHERINE ST & SB MAIN
1.3 MI N OF I-95, Fairfield, CT
Built 1970 Load: 46.0 t ADT: 88,000
Showing 2,351-2,400 of 4,277 bridges
Related
Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges.
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the FHWA National Bridge Inventory (NBI). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.
Understanding Bridge Conditions
How FHWA rates bridge condition on a 0-9 scale.
Check Your Daily Bridges
How to look up bridge condition data for bridges on your route.
Read our methodology — how this data is sourced, computed, and verified.
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.