Hwy River St over Hwy Plimoth Plntn Hwy
Plymouth County, Massachusetts · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Hwy River St over Hwy Plimoth Plntn Hwy in Plymouth County, Massachusetts, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1951, making it 74 years old at the 2025 inventory.
- It carries about 5,200 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 17 of the 288 inventoried bridges in Plymouth County rated poor (5.9%); 17 (5.9%) are rated poor.
- Its traffic status in the 2025 inventory is closed to all traffic (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Status change: newly closed since 2024.
- Its most recent inspection on record is dated November 2024, on a 12-month routine inspection cycle.
- 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 → (41.93563, -70.62527)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 4 | 4 | Poor condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 182 ft |
| Location | 1.13 Km W of Rte 3A |
| NBI structure number | P130314B4DOTNBI |
| Condition class | Poor |
| Traffic status (item 41) | Closed to all traffic |
| Last inspection (item 90) | November 2024 |
| Inspection interval (item 91) | 12 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Massachusetts department of transportation.
Busiest bridges in Plymouth County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| St 3 Pilgrim Hwy over Water Jones River | 1955 | 128,534 | Fair |
| St 3 Pilgrim Hwy over Hwy Long Pond Rd | 1950 | 127,758 | Fair |
| St 24 over Hwy Oak St | 1955 | 118,909 | Fair |
| St 24 over Hwy Torrey St | 1954 | 106,550 | Fair |
| St 24 over Hwy W Chestnut St | 1954 | 101,540 | Fair |
| St 24 over Water Town River | 1952 | 95,798 | Fair |
All bridges nearby: Plymouth County, MA bridge conditions · every bridge in Plymouth County · Massachusetts bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.