Hwy Winthrop St over Water Chicken Brook
Norfolk County, Massachusetts · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Hwy Winthrop St over Water Chicken Brook in Norfolk County, Massachusetts, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1957, making it 68 years old at the 2025 inventory.
- It carries about 8,500 vehicles a day (traffic count year 2024).
- Its listed owner is a town or township highway agency.
- It is one of 239 of the 343 inventoried bridges in Norfolk County rated fair (69.7%); 21 (6.1%) 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 April 2024, on a 24-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (42.15209, -71.42598)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete slab |
| Length | about 23 ft |
| Location | .3 Mi N of Rte 109 |
| NBI structure number | M130082A5MUNNBI |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | April 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 Norfolk County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| St 3 over Water Monatiquot River | 1957 | 236,250 | Fair |
| St 3 over Hwy Summer St | 1957 | 236,250 | Fair |
| I 95 NB/ST128 NB over RR Amtrak/mbta | 2008 | 205,138 | Good |
| St 3 over Hwy Union St N Rotary | 1957 | 204,310 | Poor |
| St 3 over Hwy Union St S Rotary | 1957 | 204,310 | Fair |
| I 93 /US1/ST3 over Hwy West St | 1956 | 203,932 | Good |
All bridges nearby: Norfolk County, MA bridge conditions · every bridge in Norfolk County · Massachusetts bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.