6 bridges with vertical clearance data on SR-12 in Connecticut. Lowest: 160.8ft.
| Clearance | Carries | Crosses | Location | Built | Map |
|---|---|---|---|---|---|
| 160.8ft | Route 12 | Interstate-395 | 1.3 Mi S Of Us Route 44 | 1965 | Map |
| 178.5ft | Route 12 | Prov & Worc Railroad | 1 Mile North Of Route 201 | 1930 | Map |
| 182.4ft | Route 12 | Prov & Worc Railroad | .1 Mi South Of Route 2 | 1955 | Map |
| 190.9ft | Route 12 | Pachaug River - P & W Rr | 0.9 Mile North Of I-395 | 1930 | Map |
| 206.7ft | Route 12 | Prov & Worc Railroad | 1.4 Mi North Of Route 200 | 1985 | Map |
| 225.1ft | Route 12 | Prov & Worc Railroad | 3.8 Miles N Of Route 201 | 1977 | Map |