Middlesex County, CT
304 public highway bridges
Middlesex County Bridge Snapshot
According to the Federal Highway Administration's 2024 National Bridge Inventory, Middlesex County, Connecticut contains 304 public highway bridges. Roughly 30.3% are rated “Good,” 46.1% “Fair,” and 3.3% “Poor.” Poor means the lowest applicable deck, superstructure, substructure, or culvert rating is 4 or below on the 0–9 NBI scale. It is a condition category, not a live safety or closure decision.
Responsible agencies inspect covered bridges on risk-based intervals under current NBIS rules and submit inventory data to FHWA annually. The list below shows every NBI-tracked bridge in the county. Use the “Sort by” controls to change the ordering, and click any row for its reported inspection date, traffic count, and condition fields.
Source: FHWA National Bridge Inventory. See methodology for full definitions.
Condition Distribution
All Bridges (304)
ROUTE 151
FairOver: MINE BROOK
0.6 MI S OF ROUTE 66, Middlesex, CT
ROUTE 149
FairOver: MOODUS RIVER
1.1 MI N OF ROUTE 151, Middlesex, CT
THAYER ROAD
FairOver: BIBLE ROCK BROOK
165 FT W. OF ROUTE 154, Middlesex, CT
SCHOOL HOUSE ROAD
FairOver: AMTRAK RAILROAD
0.3 MI N OF US ROUTE 1, Middlesex, CT
LITTLE CITY ROAD
FairOver: CANDLEWOOD HILL BROOK
JCT CANDLEWOOD HILL ROAD, Middlesex, CT
PINE LEDGE ROAD
FairOver: STREAM
2.4 MI E OF CEDAR SWAMP, Middlesex, CT
ROUTE 80
FairOver: CHATFIELD HOLLOW BROOK
1.3 MI W OF ROUTE 81, Middlesex, CT
GRISTMILL RD
FairOver: MOODUS RIVER
0.25 MI W OF ROUTE 149, Middlesex, CT
ROUTE 9 NORTHBOUND
FairOver: NEDOBITY ROAD
2.9 MI N OF ROUTE 81, Middlesex, CT
ROUTE 9 SOUTHBOUND
FairOver: NEDOBITY ROAD
2.9 MI N of RT 81, Middlesex, CT
ROUTE 9 SOUTHBOUND
FairOver: BEAVER MEADOW ROAD
0.19 MI S OF EXIT 8 SB, Middlesex, CT
ROUTE 80
FairOver: DEEP RIVER
0.1 MI W OF ROUTE 9, Middlesex, CT
INTERSTATE-95
FairOver: POND MEADOW ROAD
1.7 MI N OF US ROUTE 145, Middlesex, CT
ROUTE 17 NB
FairOver: EAST MAIN STREET
100' NORTH OF MAPLE STREE, Middlesex, CT
INTERSTATE-91 NB
FairOver: EVERGREEN ROAD
.69 MI SO OF RTE 9 O-PASS, Middlesex, CT
ROUTE 9 SOUTHBOUND
FairOver: FLORAL PARK ROAD
0.7 MI N OF I-95, Middlesex, CT
WIG HILL ROAD
FairOver: PATTACONK BROOK
90 FT N OF ROUTE 148, Middlesex, CT
EAST HADDAM - COLC
FairOver: MOODUS RESERVOIR
2.9 MI E OF ROUTE 151, Middlesex, CT
ST. PETERS LANE
FairOver: CANDLEWOOD HILL BROOK
75' S OF CANDLEWOOD RD, Middlesex, CT
BRIDGE STREET
FairOver: DEEP RIVER
100 FT W OF ROUTE 154, Middlesex, CT
OLD CLINTON ROAD
FairOver: PATCHOGUE RIVER
750 FEET N OF U.S.ROUTE 1, Middlesex, CT
ROUTE 9 SOUTHBOUND
FairOver: WEST BRIDGE STREET
0.2 MI N OF ROUTE 80, Middlesex, CT
ROUTE 9 SB RAMP16
FairOver: WEST BRIDGE STREET
350 FT N OF ROUTE 80, Middlesex, CT
ROUTE 66
FairOver: P & W RAILROAD
INT RTE 66 & RTE 17, Middlesex, CT
ROUTE 9 NORTHBOUND
FairOver: FILLEY ROAD
0.5 MI S BEAVER MEADOW RD, Middlesex, CT
ROUTE 9 SOUTHBOUND
FairOver: MATTABESSET RIVER
0.28 MI NORTH OF ROUTE 66, Middlesex, CT
INTERSTATE-91 SB
FairOver: NORTH ROAD
0.68 MI NORTH OF RTE 372, Middlesex, CT
WESLEY AVENUE
FairOver: PATCHOGUE RIVER
500 FT N OF US ROUTE 1, Middlesex, CT
ROUTE 9 NORTHBOUND
FairOver: HUBBARD ROAD
1.0 MI S OF ROUTE 81, Middlesex, CT
ROUTE 9 SOUTHBOUND
FairOver: CEDAR LAKE ROAD
3/4 MI. NO OF CHESTER TL, Middlesex, CT
ROUTE 9 SOUTHBOUND
FairOver: TURKEY HILL ROAD
0.6 MI N OF ROUTE 82, Middlesex, CT
RUSSELL STREET
FairOver: SUMNER BROOK
150 FT W OF E MAIN ST, Middlesex, CT
ROUTE 9 NORTHBOUND
FairOver: FLORAL PARK ROAD
0.7 MI N OF I-95, Middlesex, CT
ROUTE 3
FairOver: COGINCHAUG RIVER
0.2 MI NORTH OF JCT RT 66, Middlesex, CT
ROUTE 9 NORTHBOUND
FairOver: WEST BRIDGE STREET
0.2 MI NORTH OF ROUTE 80, Middlesex, CT
ROUTE 154
FairOver: BIBLE ROCK BROOK
0.7 MI S OF SSR 410, Middlesex, CT
INTERSTATE 95 SOUT
FairOver: CONNECTICUT RV, FERRY RD
.72 MI. W. OF ROUTE 156, Middlesex, CT
INTERSTATE-91 SB
FairOver: SMITH STREET
1.49 MI SOUTH OF RTE 372, Middlesex, CT
ROUTE 153
FairOver: AMTRAK RAILROAD
0.3 MI S OF I-95, Middlesex, CT
ROUTE 17
FairOver: ALLYNS BROOK
0.6 MI N. OF ROUTE 79, Middlesex, CT
ROUTE 9 NORTHBOUND
FairOver: CEDAR GROVE TERRACE
0.5 MI S OF ROUTE 153, Middlesex, CT
ROUTE 9 NORTHBOUND
FairOver: CEDAR LAKE ROAD
3/4MI NO OF CHESTER LINE, Middlesex, CT
MILLER ROAD
FairOver: COGINCHAUG RIVER
0.4 MILES EAST OF RTE 147, Middlesex, CT
WILCOX STREET
FairOver: SUMNER BROOK
0.2 MI E OF MILLBROOK RD, Middlesex, CT
ROUTE 16
FairOver: SALMON RIVER
5.3 MI E OF ROUTE 66, Middlesex, CT
HIGH STREET
FairOver: P & W RAILROAD
0.3 MI N OF ROUTE 66, Middlesex, CT
US ROUTE 1
FairOver: MENUNKETESUCK RIVER
1.8 MI S OF ROUTE 153, Middlesex, CT
INTERSTATE-95
FairOver: INDIAN LAKE
0.2 MI N OF ROUTE 81, Middlesex, CT
ROUTE 9 SOUTHBOUND
FairOver: CANDLEWOOD HILL RD & BRK
0.5 MI W. OF ROUTE 154, Middlesex, CT
INTERSTATE-91 SB
FairOver: MATTABESSET RIVER
0.1 MI S OF ROUTE 372, Middlesex, CT
Read our methodology - how this data is sourced, computed, and verified.
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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.