ST 4 Nashua RD over Water Concord River
Good Condition18 years old13,600 vehicles/day
Location
| State | Massachusetts |
| County | Middlesex |
| Location | 1 Mi N Of Bedford T.l. |
| Carries | ST 4 Nashua RD |
| Crosses | Water Concord River |
| Coordinates | 42.53494, -71.29958 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 157.8 ft (48.1 m) |
| Max Span | 54.1 ft (16.5 m) |
| Deck Width | 49.2 ft (15 m) |
| Deck Area | 721.5 sq m |
| Main Spans | 3 |
| Year Built | 2008 |
Traffic
| Avg Daily Traffic | 13,600 (2019) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | B120019CPDOTNBI |