Suffolk County, MA
494 public highway bridges
Suffolk County Bridge Snapshot
According to the Federal Highway Administration's 2024 National Bridge Inventory, Suffolk County, Massachusetts contains 494 public highway bridges. Roughly 22.7% are rated “Good,” 64.4% “Fair,” and 6.9% “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 (494)
US 1 SB BS U11-32
UnknownOver: US 1 NB BOS LOWR B11-32
TOBIN BRIDGE, Suffolk, MA
US 1 SB L MYSTC U
UnknownOver: US 1 NB LIT MYSTIC LOWR
TOBIN BRIDGE, Suffolk, MA
US 1 SB CHLSEA UP
UnknownOver: US 1 NB CHELSEA LOWER
TOBIN BRIDGE, Suffolk, MA
US 1 SB TOLL UPPR
UnknownOver: US 1 NB TOLL PLAZA LOWR
TOBIN BRIDGE, Suffolk, MA
US 1 SB B MYSTC U
UnknownOver: US 1 NB BIG MYSTIC LOWR
TOBIN BRIDGE, Suffolk, MA
HWY TREMONT ST
UnknownOver: I 90 WB
AT MILE 133.82, Suffolk, MA
HWY ARLINGTON ST
UnknownOver: I 90 EB
AT MILE 133.81, Suffolk, MA
HWY BERKELEY ST
UnknownOver: I 90 EB
AT MILE 133.7, Suffolk, MA
ST 28 COLUMBUS AVE
UnknownOver: I 90 WB
AT MILE 133.62, Suffolk, MA
ST 28 SB
UnknownOver: I 90 WB
.5MI.S.STORROW DR, Suffolk, MA
HWY DARTMOUTH ST
UnknownOver: I 90 EB
AT MILE 133.4, Suffolk, MA
ST 9
UnknownOver: I 90 WB
.1MI.S.PRU.CENTER, Suffolk, MA
HWY BOYLSTON ST
UnknownOver: I 90 EB
AT MILE 132.9, Suffolk, MA
HWY MASS AVE
UnknownOver: I 90 EB
AT MILE 132.8, Suffolk, MA
US 1
UnknownOver: I 90 EB
.2 MI S OF ST RTE 2A, Suffolk, MA
HWY BROOKLINE AV
UnknownOver: I 90 EB
AT MILE 132.2, Suffolk, MA
ST 2 BEACON ST
UnknownOver: I 90 EB
.1MI.W.BROOKLINE AVE, Suffolk, MA
US 20 COMM AVE
UnknownOver: I 90 WB
.1MI.S.STORROW DR, Suffolk, MA
HWY CAMBRIDGE ST
UnknownOver: I 90 EB
AT MILE 130.4, Suffolk, MA
HWY EVERETT ST
UnknownOver: I 90 WB
AT MILE 130.0, Suffolk, MA
HWY MARKET ST
UnknownOver: I 90 EB
AT MILE 129.5, Suffolk, MA
HWY HARRISON AVE
UnknownOver: I 90 EB
AT MILE 134.13, Suffolk, MA
HWY WASHINGTON
UnknownOver: I 90 EB
AT MILE 134.0, Suffolk, MA
I 90 EB RAMP ON F
UnknownOver: I 90 WB RAMP ON A
AT MILE 133.98, Suffolk, MA
HWY ST MARYS ST
UnknownOver: I 90 WB
.4MI.W.SEXWAY, Suffolk, MA
I 90 WB RAMP ON E
UnknownOver: I 90 WB RAMP ON A
AT MILE 130.8, Suffolk, MA
I 90 EB RAMP ON D
UnknownOver: I 90 EB
AT MILE 130.93, Suffolk, MA
HWY CAMBRIDGE ST
UnknownOver: I 90 EB RAMP OFF B
AT MILE 130.86, Suffolk, MA
I 90 EB RAMP OFF
UnknownOver: I 90 EB RAMP ON D
AT MILE 130.8, Suffolk, MA
HWY DALTON ST
UnknownOver: I 90 WB
IN N BRIGHTON AT I 90 WB, Suffolk, MA
HWY ARLNGTN OFRP
FairOver: HWY EMBNKT RD EB ONRMP
AT TUNNEL, Suffolk, MA
HWY GRANITE AVE
FairOver: WATER NEPONSET RIVER
MILTON TOWN LINE, Suffolk, MA
US 1 NE XWAY
FairOver: ST 16 REVERE BCH PKWY
1.7 MI S OF JCT SR60&US1, Suffolk, MA
HWY AUSTIN ST
FairOver: COMB I 93 RMP&MBTA&ORNG
.1 M. W OF RUTHERFORD ST, Suffolk, MA
HWY LOGAN TRM B
FairOver: HWY LOGAN TRM B ARIV E
TERM B DEP EXIT/ARIV EXIT, Suffolk, MA
OTHER REMOVED
FairOver: HWY LOGAN TRM B ARIV E
TERM B DEP ENT/ARIV ENT, Suffolk, MA
HWY TRM B DEP RD
FairOver: HWY LOGAN TRM B ARR RD
TERM B DEPART, Suffolk, MA
HWY EMBKT WB OFF
FairOver: HWY EMBKNT EB&WB ON RP
CHARLES CIRCLE STORROW D, Suffolk, MA
HWY AGASSIZ RD
FairOver: WATER MUDDY RIVER
2.1 KM S OF RT 9, Suffolk, MA
US 1 NB/ LO DECK
FairOver: HWY CHRLTWN LOCAL STS
BOS APPR LOWER, Suffolk, MA
HWY MINER ST
FairOver: TR GREEN LINE D
GREEN LINE/FENWAY STA POR, Suffolk, MA
HWY DORCHSTR AVE
FairOver: TR RED LINE (TUNNEL)
0.3 MI S OF EXIT 16 I-93, Suffolk, MA
HWY AUSTIN ST
FairOver: HWY RUTHERFORD AVE
.16 KM N OF RT 93, Suffolk, MA
US 1 NB/LOWR DECK
FairOver: WATER MYSTIC RIVER
BIG MYS LOWER, Suffolk, MA
US 1 NB/LOWR DECK
FairOver: OTHER RELIEF
TOLL PL LOWER, Suffolk, MA
HWY STRW WB ONRP
FairOver: HWY STRRW DR WB & OFRP
STORROW DRIVE, Suffolk, MA
HWY ELIOT BRIDGE
FairOver: WATER CHARLES RIVER
.4 MI NW OF HARVARD ST, Suffolk, MA
I 93 NB
FairOver: OTHER RELIEF
0.1 MI N I-90 B16702 U1, Suffolk, MA
HWY MINTON RD
FairOver: COMB AMTRAK/MBTA & ORNG
S OF STONY BROOK STATION, Suffolk, MA
HWY CIRCUIT DR
FairOver: WATER SCARBOROUGH POND
4.8 KM W OF RT 93, Suffolk, MA
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.