ST 3 Cambridge ST over Comb St3/st28 & Charles
Fair Condition121 years old29,100 vehicles/day
Location
| State | Massachusetts |
| County | Suffolk |
| Location | .2 Mi W Of Blossom ST |
| Carries | ST 3 Cambridge ST |
| Crosses | Comb St3/st28 & Charles |
| Coordinates | 42.36153, -71.07547 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Arch - Deck |
| Total Length | 2134.8 ft (650.7 m) |
| Max Span | 243.1 ft (74.1 m) |
| Deck Width | 106.6 ft (32.5 m) |
| Deck Area | 21147.8 sq m |
| Main Spans | 11 |
| Year Built | 1905 (reconstructed 2018) |
Traffic
| Avg Daily Traffic | 29,100 (2018) |
| Truck Traffic | 5% |
| Lanes On Bridge | 6 |
| Lanes Under Bridge | 6 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is on the National Register of Historic Places |
| Structure Number | B160094F0DOTNBI |