9 bridges with vertical clearance data on SR-12 in Massachusetts. Lowest: 163.4ft.
| Clearance | Carries | Crosses | Location | Built | Map |
|---|---|---|---|---|---|
| 163.4ft | St 12 N Main St | St 2 | 2000 Ft W Of Hamilton St | 1949 | Map |
| 167.3ft | Hwy Stores St Nb | St 12 Sb & W Boylston Dr | 100 Ft E. Of I-190 | 1977 | Map |
| 179.1ft | St 12 Sb | Hwy Neponset St | .1 Mi. W. Of I-190 | 1977 | Map |
| 185.0ft | St 12 Worcester Rd | Rr Bmrr | At Campground Rd | 1947 | Map |
| 191.6ft | St 12 Nb | Hwy Neponset St | .1 Mi W Of I-190 | 1977 | Map |
| 199.8ft | St 12 Sobrdge St | Rr Pwrr | .1Mi. N. Of Auburn St. | 1934 | Map |
| 214.9ft | St 12 Nb/W Bylstn | Rr Pwrr/Bmrr | .2 Mi E Of I-190 | 1936 | Map |
| 222.4ft | St 12 Sb/W Bylstn | Rr Pwrr/Bmrr | .2 Mi.E. Of I-190 | 1936 | Map |
| 230.6ft | St 12 W Boylstn St | Rr Bmrr | 50 Ft N Of East Mountain | 1927 | Map |