12 bridges with vertical clearance data on SR-27 in Massachusetts. Lowest: 139.8ft.
| Clearance | Carries | Crosses | Location | Built | Map |
|---|---|---|---|---|---|
| 139.8ft | St 27 N Main St | St 9 Worcester St | At Jct Of Rtes 9 & 27 | 1931 | Map |
| 145.7ft | St 27 Main St | St 2 | Rt 27 At Rt 2 | 1952 | Map |
| 146.7ft | St 27 Reynolds Mem | St 24 | St 27 At St 24 | 1954 | Map |
| 161.4ft | St 27 High Pln St | I 95 Sb | St 27 At I 95 Sb | 1963 | Map |
| 163.1ft | St 27 High Pln St | I 95 Nb | St 27 At I 95 Nb | 1963 | Map |
| 179.8ft | St 27 N Main St | Rr Mbta/Csx | 0.2 Mi. N. Of Rt-135 | 1895 | Map |
| 183.1ft | St 27 Pembroke St | Rr Mbta | Mbta/Mbcr Mp 32/091 | 1958 | Map |
| 188.3ft | St 27 Elm St | Rr Macrr/Csx | Csx Mp Qbf 8.83 | 1960 | Map |
| 192.3ft | St 27 Depot St | Rr Amtrak/Mbta | At Railroad Station | 2002 | Map |
| 192.6ft | St 27 N Meadows Rd | Rr Bcrr | 1/8 Mi North Of West St. | 1972 | Map |
| 202.4ft | St 27 Main St | Rr Mbta/Bmrr | 100 Ft S Of School St | 1906 | Map |
| 3248.0ft | St 27 /St62/Walthm | Water Assabet River | 0.1 Mi E Rt 62 | 2013 | Map |