Middlesex County, MA
820 public highway bridges
Middlesex County Bridge Snapshot
Middlesex County, Massachusetts contains 820 public highway bridges in the FHWA National Bridge Inventory. Roughly 20.4% are rated “Good,” 61.1% “Fair,” 8.8% “Poor,” and 8.8% 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 (820)
HWY LEWIS TER
UnknownOver: I 90 EB
AT MILE 127.0, Middlesex, MA
HWY HARVARD ST
UnknownOver: I 90 WB
000064 STATUTORY, Middlesex, MA
HWY WALNUT ST
UnknownOver: I 90 WB
000064 STATUTORY, Middlesex, MA
HWY LOWELL AVE
UnknownOver: I 90 WB
000064 STATUTORY, Middlesex, MA
HWY CHESTNUT ST
UnknownOver: I 90 WB
AT MILE 125.5, Middlesex, MA
HWY HIGHLAND ST
UnknownOver: I 90 WB
000064 STATUTORY, Middlesex, MA
ST 16 WB WASH ST
UnknownOver: I 90 WB
AT MILE 125.11, Middlesex, MA
ST 30 COMM AVE
UnknownOver: I 90 WB
AT MILE 124.6, Middlesex, MA
ST 30 WB SERV RD
UnknownOver: I 90 WB
000064 STATUTORY, Middlesex, MA
HWY AUBURN ST
UnknownOver: I 90 WB
000064 STATUTORY, Middlesex, MA
HWY WOODLAND RD
UnknownOver: I 90 WB
000064 STATUTORY, Middlesex, MA
HWY PARKER ST
UnknownOver: ST 9 WB
2.1 MI ELY RT 128, Middlesex, MA
I 90
UnknownOver: I 90 EB RAMP OFF
AT MILE 123.49, Middlesex, MA
ST 28 FELSWAY WEST
UnknownOver: I 93 NB
RT 28 WB AT RT 93, Middlesex, MA
HWY NORTH ST
UnknownOver: I 495 SB
0.6 MI SWLY RT 133, Middlesex, MA
HWY OAK ST
UnknownOver: I 90 EB
AT MILE 118.9, Middlesex, MA
I 90 MAINT RAMP
UnknownOver: I 90 WB
AT MILE 129.5, Middlesex, MA
HWY WINTER ST
UnknownOver: I 90 EB
2.3 MI WEST I90 & I95, Middlesex, MA
HWY OAK ST
UnknownOver: I 90 EB
1 MI WEST I90 & I95, Middlesex, MA
HWY PARK RD
UnknownOver: I 90 RAMP L INT 14
.5 MI WEST I90 & I95, Middlesex, MA
I 90 RMP J INT 14
UnknownOver: I 90 WB
AT MILE 122.9, Middlesex, MA
HWY PARK RD
UnknownOver: I 90 WB
.5 MI WEST I90 & I95, Middlesex, MA
I 90 RMP G INT 14
UnknownOver: I 90 RAMP
AT MILE 123.2, Middlesex, MA
I 90 RMP G INT 14
UnknownOver: I 90 RAMP A
AT MILE 123.23, Middlesex, MA
ST129 LOWELL ST
UnknownOver: I 93 NB
RT 129 AT RT 93, Middlesex, MA
HWY WOBURN ST
UnknownOver: I 93 SB
0.25 MI SLY RT 129, Middlesex, MA
HWY WOBURN ST
UnknownOver: I 93 SB
0.6 MI SLY RT 62, Middlesex, MA
ST 62
UnknownOver: I 93 SB
RT 62 AT RT 93, Middlesex, MA
ST125
UnknownOver: I 93 SB
RT 125 AT RT 93, Middlesex, MA
HWY SALEM ST
UnknownOver: I 93 NB
0.75 MI S RT 128, Middlesex, MA
I 93
FairOver: ST 28 & ST38 & TEMPLE ST
3.2 KM N OF JCT I-93&US-1, Middlesex, MA
ST 62 GLEASNDLE RD
FairOver: WATER ASSABET RIVER
0.4 MI N OF HUDSON TL, Middlesex, MA
HWY BUTTERS ROW
FairOver: RR MBTA/BMRR
0.1 MI W RT 38, Middlesex, MA
HWY COMMNWLTH AV
FairOver: WATER FORT POND BROOK
.2 MI NW OF RTE 62, Middlesex, MA
HWY MERRIAM ST
FairOver: RR MBTA/BMRR
0.48 KM S RT 117, Middlesex, MA
HWY BROOKS CROSS
FairOver: WATER MASON BROOK
1500 FT S OF NH S.L., Middlesex, MA
HWY WHEELER RD
FairOver: WATER ELIZABETH BROOK
.5 MILES SOUTH OF ST -117, Middlesex, MA
HWY JACKSON ST
FairOver: RR MBTA/BMRR
0.16 KM S CENTRAL ST, Middlesex, MA
US 3 MEMORIAL DR
FairOver: RR CSX
.32 KM E OF MAGAZINE ST, Middlesex, MA
ST119 MAIN ST
FairOver: WATER SQUANNACOOK RIVER
0.2 MI WLY RT 13, Middlesex, MA
HWY PARKER AVE
FairOver: WATER BEAVER BROOK
.3 MI NE OF MAMMOTH RD, Middlesex, MA
HWY MARKET ST
FairOver: WATER MERRIMACK CANAL
AT INTER WITH DUTTON ST, Middlesex, MA
I 93 SB ON RAMP
FairOver: OTHER TRI COMMUNITY GREE
0.1 MI S MONTVALE AVE, Middlesex, MA
I 95 /ST128
FairOver: WATER CHARLES RIVER
NEWTON-WELLESLEY TWN LINE, Middlesex, MA
HWY COX ST
FairOver: WATER ASSABET RIVER
.5 MI NW OF RTE 62, Middlesex, MA
HWY BRIDGE ST
FairOver: WATER MERRIMACK RIVER
0.25 MI W FALLS & RT 110, Middlesex, MA
HWY FRENCH ST
FairOver: WATER MERRIMACK CANAL
AT HIGH SCHOOL, Middlesex, MA
HWY LINCOLN ST
FairOver: WATER RIVER MEADOW BROOK
0.25 MI N CONNCTR & PLAIN, Middlesex, MA
ST111 HOLLIS ST
FairOver: WATER NISSITISSIT RIVER
200 FT S OF NASHUA RD, Middlesex, MA
ST 2 ELM ST
FairOver: WATER ASSABET RIVER
0.64 KM E RT 2 ROTARY, Middlesex, 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 |