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 MERRIMACK RIVER Massachusetts Fair 1935 91 11,000
WATER WASHNGTN MTN BROOK Massachusetts Good 1935 91 388
WATER MYSTIC RIVER Massachusetts Fair 1935 91 64,248
RR GWRR & NECRR Massachusetts Fair 1935 91 5,172
WATER SAWMILL RIVER Massachusetts Fair 1935 91 4,655
WATER SW BR HOUSATONIC R Massachusetts Poor 1935 91 259
WATER HUBBARD BROOK Massachusetts Good 1935 91 1,422
WATER HOP BROOK Massachusetts Fair 1935 91 1,413
WATER MUDDY BROOK Massachusetts Fair 1935 91 646
WATER COWESSETT BROOK Massachusetts Fair 1935 91 6,724
WATER MUNN BROOK Massachusetts Fair 1935 91 1,552
WATER WEDGE POND OTLT Massachusetts Fair 1935 91 14,483
WATER LEESVILLE PD OTLT Massachusetts Fair 1935 91 11,567
RR CSX Massachusetts Fair 1935 91 12,875
RR PWRR Massachusetts Fair 1935 91 11,895
WATER TOPHET BROOK Massachusetts Fair 1936 90 2,800
WATER MYSTIC RIVER Massachusetts Fair 1936 90 24,310
WATER LOWER NAUKEAG BRK Massachusetts Fair 1936 90 520
WATER MARASPIN CREEK Massachusetts Fair 1936 90 3,357
RR MBTA Massachusetts Fair 1936 90 3,100
ST 9 HUNTNGTON AVE Massachusetts Fair 1936 90 37,500
RR MBTA/CSX Massachusetts Fair 1936 90 9,969
WATER CONNECTICUT RIVER Massachusetts Fair 1936 90 7,136
WATER MOOSE BROOK Massachusetts Fair 1936 90 50
WATER WASHNGTN MTN BROOK Massachusetts Fair 1936 90 388
WATER MONOOSNOC BROOK Massachusetts Fair 1936 90 2,200
WATER MONOOSNOC RIVER Massachusetts Fair 1936 90 10,989
WATER MONOOSNOC RIVER Massachusetts Fair 1936 90 8,174
RR MBTA Massachusetts Fair 1936 90 900
TR METHUEN RAIL TRAIL Massachusetts Poor 1936 90 10,220
WATER SINGLETARY BROOK Massachusetts Fair 1936 90 37,631
WATER CHICOPEE BROOK Massachusetts Fair 1936 90 129
WATER E BR HOUSATONIC R Massachusetts Good 1936 90 3,400
COMB BRGN PKY&MBTA&REDS Massachusetts Fair 1936 90 28,100
WATER PALMER RIVER Massachusetts Poor 1936 90 1,423
WATER CLAM RIVER Massachusetts Fair 1936 90 258
WATER THREE MILE RIVER Massachusetts Fair 1936 90 18,300
RR MBTA/BMRR Massachusetts Fair 1936 90 28,190
WATER TUFTS BROOK Massachusetts Good 1936 90 1,939
RR PWRR/BMRR Massachusetts Poor 1936 90 7,028
RR PWRR/BMRR Massachusetts Fair 1936 90 6,014
WATER FORT POND BROOK Massachusetts Fair 1937 89 800
WATER HOOSIC RIVER Massachusetts Fair 1937 89 11,553
OTHER MINUTMN BP & BROOK Massachusetts Fair 1937 89 4,914
WATER E BR TULLY RIVER Massachusetts Fair 1937 89 2,328
RR AMTRAK/MBTA Massachusetts Fair 1937 89 34,267
WATER WARE RIVER Massachusetts Good 1937 89 1,224
WATER SWIFT RIVER Massachusetts Fair 1937 89 5,689
WATER ASSABET RIVER Massachusetts Fair 1937 89 1,802
WATER STILL RIVER Massachusetts Poor 1937 89 16,803

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.