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 9 SOUTHBOUND
UnknownOver: ROUTE 148 (WEST MAIN ST)
ROUTE 9 EXIT NO. 6, Middlesex, CT
ROUTE 9 SOUTHBOUND
UnknownOver: RTE 9 RAMP 043 & SR 901
AT END OF RT 99, Middlesex, CT
ROUTE 9 NORTHBOUND
UnknownOver: RTE 9 RAMP 043 & SR 901
END RT 99 AT RT 9, Middlesex, CT
ROUTE 372
UnknownOver: ROUTE 9
ROUTE 9 EXIT NO. 19, Middlesex, CT
ROUTE 3
UnknownOver: ROUTE 9
2.44 MI SOUTH OF OP I-91, Middlesex, CT
EVERGREEN ROAD
UnknownOver: ROUTE 9
1.1 MI S OF JCT ROUTE I91, Middlesex, CT
COLES ROAD
UnknownOver: ROUTE 9 SB & RAMP
0.9 MILE NORTH OF ROUTE 3, Middlesex, CT
COLES ROAD
UnknownOver: ROUTE 9 NORTHBOUND
.42 MI SOUTH JCT RTE I91, Middlesex, CT
NORTH ROAD
UnknownOver: ROUTE 9 SOUTHBOUND
OVERPASS ROUTE 9 SB, Middlesex, CT
NORTH ROAD
UnknownOver: ROUTE 9 NB & RAMP
OVERPASS ROUTE 9 NB, Middlesex, CT
I-91 NB TR 818
UnknownOver: INTERSTATE-91 NORTHBOUND
1.4 MI N OF ROUTE 373, Middlesex, CT
Interstate 95
UnknownOver: ROUTE 9 NB & I-95 TR 816
1.4 MI N OF ROUTE 154, Middlesex, CT
DENNISON ROAD
FairOver: CONN VALLEY RAILROAD
580 FT N OF ROUTE 154, Middlesex, CT
ROUTE 80
FairOver: ROGERS POND
0.2 MI E OF ROUTE 9, Middlesex, CT
BERLIN STREET
FairOver: P & W RAILROAD
0.3 MI W OF ROUTE 66, Middlesex, CT
BEACH PARK ROAD
FairOver: HAMMOCK RIVER
0.5 MI S. OF US ROUTE 1, Middlesex, CT
UNION STREET
FairOver: DEEP RIVER
350 FT N OF ROUTE 80, Middlesex, CT
BRICKYARD ROAD
FairOver: MENUNKETESUCK RIVER
400' N OF FAIRY DELL ROAD, Middlesex, CT
INTERSTATE-91 NB
FairOver: MATTABESSET RIVER
475 FT S OF ROUTE 372, Middlesex, CT
ROUTE 17
FairOver: LONG HILL BROOK
1.3 MI. N OF ROUTE 155, Middlesex, CT
ROUTE 17 SB
FairOver: EAST MAIN STREET
0.1 MI SOUTH OF EXIT 10, Middlesex, CT
CLARK HILL ROAD
FairOver: ROARING BROOK
1.7 MI E. OF ROUTE 82, Middlesex, CT
ROUTE 9 SOUTHBOUND
FairOver: FILLEY ROAD
1/2 MI SO BEAVERMEADOW RD, Middlesex, CT
ROUTE 16
FairOver: POCOTOPAUG CREEK
425 FT E OF ROUTE 196, Middlesex, CT
ROUTE 82
FairOver: EIGHT MILE RIVER
0.6 MI E OF ROUTE 156, Middlesex, CT
ROUTE 157
FairOver: ASMUN BROOK
0.1 MI N OF ROUTE 68, Middlesex, CT
INTERSTATE-91 NB
FairOver: SMITH STREET
1.49 MI SOUTH OF RTE 372, Middlesex, CT
ROUTE 82
FairOver: RUTH HILL RD&ROARING BK
1 MI W OF ROUTE 154, Middlesex, CT
ROUTE 9 SOUTHBOUND
FairOver: HUBBARD ROAD
1.0 MI S OF ROUTE 80, Middlesex, CT
KELSEYTWN BRDGE RD
FairOver: MENUNKETESUCK RIVER
250 FT W OF RESERVOIR RD, Middlesex, CT
US ROUTE 1
FairOver: PATCHOGUE RIVER
1.1 MI S OF ROUTE 153, Middlesex, CT
ROUTE 9 NORTHBOUND
FairOver: MATTABESSET RIVER
0.1 MI SO. OF CROMWELL TL, Middlesex, CT
ROUTE 9 NORTHBOUND
FairOver: BEAVER MEADOW ROAD
ROUTE 9 EXIT NO. 8, Middlesex, CT
ESSEX STREET
FairOver: PRATT COVE
0.5 MI E OF ROUTE 154, Middlesex, CT
STRICKLAND ROAD
FairOver: COGINCHAUG RIVER
0.3 MI E OF RTE 157, Middlesex, CT
SR 625
FairOver: AMTRAK RAILROAD
0.2 MI N OF US ROUTE 1, Middlesex, CT
INTERSTATE-91 SB
FairOver: EVERGREEN ROAD
.69 MI SO OF RTE 9 O-PASS, Middlesex, CT
SSR 434
FairOver: BROOK
6.7 MI N OF ROUTE 82, Middlesex, CT
SSR 434
FairOver: BROOK
3.0 MI W OF ROUTE 82, Middlesex, CT
SSR 434
FairOver: MUDDY BROOK
2.8 MI W OF ROUTE 82, Middlesex, CT
ROUTE 3
FairOver: P & W RAILROAD
0.2 MI N OF ROUTE 66, Middlesex, CT
DEPOT ROAD
FairOver: PONSET BROOK
0.1 MI FROM RT 154, Middlesex, CT
SCOVIL ROAD
FairOver: CANDLEWOOD HILL BROOK
AT JCT OF CANDLEHILL ROAD, Middlesex, CT
ROUTE 148
FairOver: PATTACONK BROOK
0.3 MI E OF ROUTE 9, Middlesex, CT
ROUTE 148
FairOver: PATTACONK BROOK
0.6 MI E OF ROUTE 9, Middlesex, CT
CHENEY STREET
FairOver: BROOK
0.1 MI W OF MAIN ST, Middlesex, CT
ROUTE 196
FairOver: POCOTOPAUG CREEK
0.64 MILES SOUTH OF RT-66, Middlesex, CT
BEAVER MEADOW ROAD
FairOver: BEAVER MEADOW BROOK
0.2 MI WEST OF ROUTE 9, Middlesex, CT
ROUTE 145
FairOver: MENUNKETESUCK RIVER
0.6 MI S OF I-95, Middlesex, CT
CHESTNUT HILL ROAD
FairOver: PINE BROOK
0.1 MI S OF ROUTE 16, Middlesex, CT
Read our methodology - how this data is sourced, computed, and verified.
Related
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.