ST 30 Comm RD over I 90
Fair Condition69 years old21,700 vehicles/day
Location
| State | Massachusetts |
| County | Middlesex |
| Location | I-90 Mm 117.2 |
| Carries | ST 30 Comm RD |
| Crosses | I 90 |
| Coordinates | 42.31127, -71.37429 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 288.1 ft (87.8 m) |
| Max Span | 95.8 ft (29.2 m) |
| Deck Width | 59.1 ft (18 m) |
| Deck Area | 1580.4 sq m |
| Main Spans | 4 |
| Year Built | 1957 (reconstructed 1993) |
Traffic
| Avg Daily Traffic | 21,700 (2024) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 6 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | N030364PQDOTNBI |