Historic Bridges in Massachusetts

1,481 bridges built before 1951 in Massachusetts still in service today.

Bridges Built Before 1951

The United States has 1,481 bridges in Massachusetts built before 1951 that remain in active service. These structures are 75+ years old — many predate modern engineering codes and were not designed for today's traffic volumes and vehicle weights. The average design life of a bridge is 50 years, making these aging structures a significant infrastructure concern.

Clear
Bridge State Condition Year Built Age (Years) ADT
WATER FARMINGTON RIVER Massachusetts Fair 1950 76 129
ST130 SANDWICH RD Massachusetts Fair 1950 76 15,286
US 6 WB MID CAPE HWY Massachusetts Good 1950 76 7,785
US 6 WB MID CAPE HWY Massachusetts Good 1950 76 7,286
WATER STONY BROOK Massachusetts Fair 1950 76 10,589
WATER LONG POND INLET Massachusetts Poor 1950 76 3,879
HWY MENDON RD Massachusetts Fair 1950 76 15,800
RR MACRR Massachusetts Fair 1950 76 50,018
RR MBTA/CSX Massachusetts Fair 1950 76 68,317
WATER SQUANNACOOK RIVER Massachusetts Fair 1950 76 11,596
WATER MASON BROOK Massachusetts Fair 1950 76 4,350
HWY LACKEY DAM RD Massachusetts Fair 1950 76 18,950
ST146 NB Massachusetts Fair 1950 76 3,556
ST 16 DOUGLAS ST Massachusetts Fair 1950 76 16,652
ST146 NB Massachusetts Fair 1950 76 800
HWY NORTH AVE Massachusetts Fair 1950 76 134,371
RR MBTA/BMRR Massachusetts Fair 1950 76 144,478
RR MBTA/BMRR Massachusetts Fair 1950 76 178,839
WATER STONY BROOK Massachusetts Fair 1950 76 172,999
RR MBTA/BMRR Massachusetts Fair 1950 76 22,400
ST128 SERVICE RD Massachusetts Fair 1950 76 1,034
HWY NORUMBEGA RD Massachusetts Fair 1950 76 147,364
OTHER MDC AQUEDUCT Massachusetts Fair 1950 76 150,095
OTHER MDC AQUEDUCT Massachusetts Fair 1950 76 4,914
WATER MILL RIVER Massachusetts Poor 1950 76 900
WATER UNNAMED BROOK Massachusetts Fair 1950 76 2,000
WATER HOOSIC RIVER Massachusetts Good 1950 76 3,786
HWY FOREST PARK RD Massachusetts Fair 1950 76 83,334
HWY FOREST PARK RD Massachusetts Fair 1950 76 90,617
RR MBTA/BMRR Massachusetts Poor 1950 76 192,672
WATER LITTLE RIVER Massachusetts Fair 1950 76 259

About Historic Bridge Data

Bridges built before 1951 are classified as historic in this database. Many were designed to 1940s standards with lower load limits and narrower lanes. While FHWA requires regular inspections of all bridges regardless of age, older structures often require more frequent monitoring and rehabilitation investment.