6 bridges with vertical clearance data on SR-66 in Connecticut. Lowest: 143.4ft.
| Clearance | Carries | Crosses | Location | Built | Map |
|---|---|---|---|---|---|
| 143.4ft | Route 66 Eastbound | Route 66 Ramp 004 | At Exit 13 Westbound | 1965 | Map |
| 163.4ft | Route 66 | Route 2 | 2.29 Mi West Hebron Tl | 1964 | Map |
| 176.8ft | Route 66 | P & W Railroad | Int Rte 66 & Rte 17 | 1938 | Map |
| 189.3ft | Route 66 | Providence&Worcester Rr | Rte 66 0.4 Mi W Route 32 | 1937 | Map |
| 206.7ft | Route 66 | New England Central Rr | 0.3 Mile West Of Route 32 | 1938 | Map |
| 206.7ft | Route 66 | Conn River Rte 9 P&W Rr | 0.25 Mi W Of Route 9 | 1938 | Map |