Suffolk County, MA
494 public highway bridges
Suffolk County Bridge Snapshot
Suffolk County, Massachusetts contains 494 public highway bridges in the FHWA National Bridge Inventory. Roughly 22.7% are rated “Good,” 64.4% “Fair,” 6.9% “Poor,” and 6.9% are classified as structurally deficient — the federal designation for spans whose deck, superstructure, or substructure has been rated 4 or below on the 0–9 NBI scale. Structurally deficient does not mean unsafe to cross; it means the bridge is on the priority list for repair or replacement.
Inspections in MA are conducted by certified engineers from the state Department of Transportation on a 24-month cycle, and results are reported back to the FHWA each spring. The list below shows every NBI-tracked bridge in the county, sorted by inventory load rating. Use the “Sort by” controls to surface the lowest-rated spans first, and click any row for full inspection history, traffic counts, and condition trends.
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
| Publisher | Kiznis Studio |
| Sources | FHWA National Bridge Inventory, public U.S. government datasets |