HWY Wood ST Ext over Comb Bmrr & Merrimack R
Fair Condition43 years old23,900 vehicles/day
Location
| State | Massachusetts |
| County | Middlesex |
| Location | Rourke Bridge |
| Carries | HWY Wood ST Ext |
| Crosses | Comb Bmrr & Merrimack R |
| Coordinates | 42.63852, -71.35680 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Steel |
| Design | Truss - Thru |
| Total Length | 1112.9 ft (339.2 m) |
| Max Span | 149.9 ft (45.7 m) |
| Deck Width | 28.5 ft (8.7 m) |
| Deck Area | 2951.0 sq m |
| Main Spans | 8 |
| Year Built | 1983 |
Traffic
| Avg Daily Traffic | 23,900 (2025) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L150882M4DOTNBI |