5 bridges with vertical clearance data on SR-71 in Connecticut. Lowest: 142.4ft.
| Clearance | Carries | Crosses | Location | Built | Map |
|---|---|---|---|---|---|
| 142.4ft | Route 71 | Sr 571 | .5Mi So Of New Britain Tl | 1962 | Map |
| 148.3ft | Route 71 | Herald Sq,Columus Bl, Rr | Near Red Roof Inn, Police | 1971 | Map |
| 159.1ft | Route 71 | Route 72 & Ramps | 0.1 Mile W Of Route 9 Int | 1971 | Map |
| 160.1ft | Route 71 | Interstate-691 | .5 Mi West Of Lewis Ave | 1971 | Map |
| 179.1ft | Route 71 (Hartford | Route 9 | .2Mi South Farmington Tl | 1991 | Map |