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 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.