Hwy Mountain Rd over Water Mill Brook
Franklin County, Massachusetts · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Hwy Mountain Rd over Water Mill Brook in Franklin County, Massachusetts, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 2004, making it 21 years old at the 2025 inventory.
- It carries about 120 vehicles a day (traffic count year 2016).
- Its listed owner is a town or township highway agency.
- It is one of 99 of the 314 inventoried bridges in Franklin County rated good (31.5%); 39 (12.4%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated November 2024, on a 24-month routine inspection cycle.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (42.64394, -72.86641)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete single box beam |
| Length | about 57 ft |
| Location | 50E of RTE8A at Vincent |
| NBI structure number | C05006AV2MUNNBI |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | November 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Massachusetts department of transportation.
Busiest bridges in Franklin County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 91 & Nashs Mill over Water Nashs Mill Brook | 1962 | 36,983 | Fair |
| ST116 Sunderland R over Water Connecticut River | 1937 | 35,300 | Fair |
| St 2 over Water Fall River | 1931 | 28,448 | Good |
| St 2 A/main St over RR Gwrr | 1847 | 26,700 | Poor |
| I 91 over Water Mill Brook | 1964 | 26,573 | Fair |
| I 91 NB over RR Gwrr | 2024 | 24,960 | Good |
All bridges nearby: Franklin County, MA bridge conditions · every bridge in Franklin County · Massachusetts bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.