Tobin Bridge
The Maurice J. Tobin Memorial Bridge (formerly the Mystic River Bridge) is a cantilever truss bridge that spans more than two miles (3.2 km) from Boston to Chelsea over the Mystic River in Massachusetts. The bridge is the largest in New England. It is operated by the Massachusetts Department of Transportation and carries U.S. Route 1. It was built between 1948 and 1950 and opened to traffic on February 2, 1950, replacing the former Chelsea Bridge. The 36-foot (11 m)-wide roadway has three lanes of traffic on each of the two levels with northbound traffic on the lower level and southbound traffic on the upper level.
Tobin Bridge | |
|---|---|
The Tobin Bridge viewed from East Boston in 2009 | |
| Coordinates | 42.38483°N 71.04755°W |
| Carries | 6 lanes (3 upper, 3 lower) of US 1 |
| Crosses | Mystic River |
| Locale | Charlestown–Chelsea, Massachusetts |
| Official name | Maurice J. Tobin Memorial Bridge |
| Maintained by | MassDOT |
| Characteristics | |
| Design | 3-span double-deck cantilevered truss |
| Material | Steel |
| Total length | 11,906 feet (3,629 m) |
| Width | 36 feet (11 m) |
| Height | 254 feet (77 m) |
| Longest span | 800 feet (240 m) |
| Clearance below | 135 feet (41 m) |
| History | |
| Construction start | April 12, 1948 |
| Opened | February 27, 1950 |
| Statistics | |
| Toll | $2.50 (E-ZPass); $3.00 (pay-by-plate) (2023) |
| Location | |
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