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.
| 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.