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
ROUTE 9
FairOver: WILLOW BROOK
0.4 MILE NORTH OF EXIT 23, Hartford, CT
Built 1962 Load: 99.9 t ADT: 91,800
ROUTE 15
FairOver: PUMPING STATION OUTLET
0.3 MI N OF ROUTE 99, Hartford, CT
Built 1941 Load: 99.9 t ADT: 52,600
INTERSTATE-84
FairOver: EIGHT MILE RIVER
1.0 MI E OF ROUTE 229, Hartford, CT
Built 1963 Load: 99.9 t ADT: 99,300
INTERSTATE-84 WB
FairOver: QUINNIPIAC RIVER
.30 MI. WEST OF EXIT 32, Hartford, CT
Built 1963 Load: 99.9 t ADT: 44,700
INTERSTATE-84 EB
FairOver: QUINNIPIAC RIVER
.3 MI WEST OF EXIT 32, Hartford, CT
Built 1963 Load: 99.9 t ADT: 40,800
INTERSTATE-91
FairOver: GOFF BROOK
200' NO. OF ROCKY HILL TL, Hartford, CT
Built 1964 Load: 99.9 t ADT: 143,400
INTERSTATE-91
FairOver: BEAVER BROOK
0.5 MI N OF ROCKY HILL TL, Hartford, CT
Built 1964 Load: 99.9 t ADT: 130,000
ROUTE 173
FairOver: PIPER BROOK
1.3 MI NORTH OF ROUTE 175, Hartford, CT
Built 1937 Load: 99.9 t ADT: 14,100
SR 501
FairOver: ROCKLEDGE BROOK
0.6 MILE SOUTH OF PARK RD, Hartford, CT
Built 1965 Load: 99.9 t ADT: 27,200
ROUTE 2
FairOver: DARK HOLLOW BROOK
0.9 MI EAST OF WASSUC RD, Hartford, CT
Built 1964 Load: 99.9 t ADT: 45,500
INTERSTATE-84
FairOver: HOCKANUM RIVER
0.2 MI EAST OF EXIT 56, Hartford, CT
Built 1964 Load: 99.9 t ADT: 112,400
ROUTE 72 & RAMPS
FairOver: QUINNIPIAC RIVER
1.80 MILE SOUTH ROUTE 177, Hartford, CT
Built 1969 Load: 99.9 t ADT: 57,300
VACANT RTE. 9 RAMP
FairOver: INTERSTATE-84
THIRD LEVEL-EXIT 39A, Hartford, CT
Built 1969 Load: 99.9 t
INTERSTATE-384
FairOver: GLOBE HOLLOW BROOK
.24 MI WEST OF ROUTE 83, Hartford, CT
Built 1971 Load: 99.9 t ADT: 53,700
REV MOODY OVERPASS
FairOver: CT SOUTHERN RAILROAD
0.4 MI SOUTH OF WESTON ST, Hartford, CT
Built 1983 Load: 99.9 t ADT: 7,344
ROUTE 9
FairOver: PIPER BROOK
.1 MI N OF NEW BRITAIN TL, Hartford, CT
Built 1985 Load: 99.9 t ADT: 73,800
ROUTE 9 & BUSWAY
FairOver: BASS BROOK
.13 MI SOUTH OF ROUTE 175, Hartford, CT
Built 1985 Load: 99.9 t ADT: 73,800
ROUTE 9 RAMP 058
FairOver: BASS BROOK
SB ON RAMP FROM ROUTE 175, Hartford, CT
Built 1985 Load: 99.9 t ADT: 10,600
ROUTE 9 AND RAMP
FairOver: SPRUCE BROOK
400' S OF RTE 372 O/PASS, Hartford, CT
Built 1988 Load: 99.9 t ADT: 61,500
I-91 RAMPS F & H
FairOver: MEADOW BROOK
I-91 NORTH EXIT 34, Hartford, CT
Built 1990 Load: 99.9 t ADT: 4,100
I-291 & KING ST.
FairOver: PODUNK RIVER
0.25 MILES WEST OF U.S. 5, Hartford, CT
Built 1958 Load: 99.9 t ADT: 43,900
WOODFIELD CROSSING
FairOver: BROOK
0.2 MI S OF FRANCE STREET, Hartford, CT
Built 1980 Load: 99.9 t ADT: 1,362
ROUTE 9
FairOver: BASS BROOK
0.1 MI N OF ROUTE 175, Hartford, CT
Built 1991 Load: 99.9 t ADT: 48,700
I-84, AMTRAK, CTFA
FairOver: NO. BRANCH OF PARK RIVER
FARMINGTON AVE - JCT BOX, Hartford, CT
Built 1964 Load: 99.9 t ADT: 129,200
NORTHWOODS ROAD
FairOver: EAST BRANCH SALMON BROOK
100' EAST OF RTE.189, Hartford, CT
Built 1982 Load: 99.9 t ADT: 141
ROUTE 4
FairOver: GUINEA BROOK
.5 MI WEST OF JCT RTE 7, Litchfield, CT
Built 1934 Load: 99.9 t ADT: 2,400
US ROUTE 202
FairOver: BAKERSVILLE BROOK
1.4 MI N OF TORRINGTON TL, Litchfield, CT
Built 1959 Load: 99.9 t ADT: 13,500
U.S. ROUTE 44
FairOver: MORGAN BROOK
150' EAST OF DEW ROAD, Litchfield, CT
Built 1947 Load: 99.9 t ADT: 13,900
ROUTE 132
FairOver: WEEKEEPEEMEE RIVER
1.1 MILE SOUTH OF RTE 61, Litchfield, CT
Built 1941 Load: 99.9 t ADT: 1,200
WEST HYERDALE DR
FairOver: MARSHEPAUG RIVER
WEST OF CANTERBURY CT, Litchfield, CT
Built 1970 Load: 99.9 t ADT: 627
ROUTE 199
FairOver: BATTLE SWAMP BROOK
1.8 MILE WEST OF ROUTE 67, Litchfield, CT
Built 1989 Load: 99.9 t ADT: 2,000
ROUTES 9 & 17
FairOver: SUMNER BROOK
JCT OF RTES 9 & 17, Middlesex, CT
Built 1953 Load: 99.9 t ADT: 41,400
ROUTE 17
FairOver: SUMNER BROOK
0.4 MI S OF ROUTE 9, Middlesex, CT
Built 1955 Load: 99.9 t ADT: 4,600
SR 609
FairOver: MOODUS RIVER
0.2 MI WEST OF ROUTE 149, Middlesex, CT
Built 1930 Load: 99.9 t ADT: 1,900
ROUTE 151
FairOver: PINE BROOK
0.8 MI N OF ROUTE 196, Middlesex, CT
Built 1930 Load: 99.9 t ADT: 1,800
ROUTE 9 RAMP 028
FairOver: PONSET BROOK
ROUTE 9 NB EXIT 9 ON RAMP, Middlesex, CT
Built 1965 Load: 99.9 t ADT: 3,500
ROUTE 9
FairOver: FALLS RIVER
0.8 MI S OF ROUTE 154, Middlesex, CT
Built 1967 Load: 99.9 t ADT: 34,000
ROUTE 66
FairOver: ABANDONED RR & DRAINAGE
0.1 MI E OF ROUTE 16, Middlesex, CT
Built 1977 Load: 99.9 t ADT: 8,600
RIDGE ROAD
FairOver: SUMNER BROOK
290 FT W OF MAIN ST EXT, Middlesex, CT
Built 1938 Load: 99.9 t ADT: 3,735
DENNISON ROAD
FairOver: FALLS RIVER
0.2 MI N OF ROUTE 154, Middlesex, CT
Built 1964 Load: 99.9 t ADT: 1,314
INTERSTATE-95
FairOver: WEPAWAUG RIVER
325 FT S OF ROUTE 121, New Haven, CT
Built 1958 Load: 99.9 t ADT: 113,500
ROUTE 15
FairOver: BALDWINS POND
OVER BALDWINS POND, New Haven, CT
Built 1946 Load: 99.9 t ADT: 24,600
ROUTE 34
FairOver: WEPAWAUG RIVER
0.3 MI E OF ROUTE 15, New Haven, CT
Built 1855 Load: 99.9 t ADT: 34,600
INTERSTATE-91&RT15
FairOver: WILLOW BROOK
.12 MI NORTH OF E MAIN ST, New Haven, CT
Built 1964 Load: 99.9 t ADT: 147,500
INTERSTATE-91
FairOver: SPOON SHOP BROOK
I-91NB,200' S. OF EXIT 18, New Haven, CT
Built 1965 Load: 99.9 t ADT: 91,200
INTERSTATE-691 EB
FairOver: SPOON SHOP BROOK
0.2 MI W OF ROUTE 66, New Haven, CT
Built 1965 Load: 99.9 t ADT: 23,300
INTERSTATE-691 WB
FairOver: SPOON SHOP BROOK
0.2 MI WEST OF ROUTE 66, New Haven, CT
Built 1965 Load: 99.9 t ADT: 23,200
INTERSTATE-691
FairOver: HARBOR BROOK
ENTER @ BUNKER AVE PARK, New Haven, CT
Built 1971 Load: 99.9 t ADT: 82,700
ROUTE 15
FairOver: MILL BROOK
1.0 MI N OF ROUTE 10, New Haven, CT
Built 1943 Load: 99.9 t ADT: 72,600
INTERSTATE-691 EB
FairOver: WILLOW BROOK
315 FT E OF ROUTE 15, New Haven, CT
Built 1965 Load: 99.9 t ADT: 22,500
Showing 3,001-3,050 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.