I 495 SB over Comb Mdc Aqueduct & Csx
Fair Condition64 years old41,411 vehicles/day
Location
| State | Massachusetts |
| County | Worcester |
| Location | Mm 61.2 /1.5 Mi N Of St-9 |
| Carries | I 495 SB |
| Crosses | Comb Mdc Aqueduct & Csx |
| Coordinates | 42.31340, -71.56825 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 331.0 ft (100.9 m) |
| Max Span | 83.0 ft (25.3 m) |
| Deck Width | 53.5 ft (16.3 m) |
| Deck Area | 1644.7 sq m |
| Main Spans | 4 |
| Year Built | 1962 (reconstructed 1990) |
Traffic
| Avg Daily Traffic | 41,411 (2021) |
| Truck Traffic | 8% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 125 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | S200181UADOTNBI |