St 2 Concord Tpk over Water Sudbury River
Middlesex County, Massachusetts · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- St 2 Concord Tpk over Water Sudbury River in Middlesex County, Massachusetts, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- It was built in 1934, making it 91 years old at the 2025 inventory.
- It carries about 46,700 vehicles a day (traffic count year 2019).
- Its listed owner is the state highway agency.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (42.45174, -71.37172)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Superstructure | 4 | Poor condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Concrete deck arch |
| Length | about 83 ft |
| Location | 2.8 Km SE Rt 2 Rotary |
| NBI structure number | C190212DTDOTNBI |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Massachusetts department of transportation.
All bridges nearby: Middlesex County, MA bridge conditions · Massachusetts bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.