I 495 SB over Water Merrimack River
Good Condition4 years old62,167 vehicles/day
Location
| State | Massachusetts |
| County | Essex |
| Location | .4 Mi S St110 |
| Carries | I 495 SB |
| Crosses | Water Merrimack River |
| Coordinates | 42.76864, -71.12078 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 721.8 ft (220 m) |
| Max Span | 277.9 ft (84.7 m) |
| Deck Width | 70.9 ft (21.6 m) |
| Deck Area | 4,752 sq m |
| Main Spans | 3 |
| Year Built | 2022 |
Traffic
| Avg Daily Traffic | 62,167 (2023) |
| Truck Traffic | 1% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | H12039C33DOTNBI |