Winter St over Mousam River
York County, Maine · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Winter St over Mousam River in York County, Maine, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1975, making it 50 years old at the 2025 inventory.
- It carries about 7,640 vehicles a day (traffic count year 2016).
- Its listed owner is the state highway agency.
- It is one of 137 of the 236 inventoried bridges in York County rated fair (58.1%); 22 (9.3%) 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 December 2023, 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 → (43.44306, -70.7755)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 71 ft |
| Location | .2 Mi NE 109 on 4A |
| NBI structure number | 2961 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | December 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Maine department of transportation.
Busiest bridges in York County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 95 over Eliot Rd | 1972 | 41,190 | Fair |
| I-95 over Dennett Road | 1971 | 40,420 | Fair |
| I 95 over Piscataqua River Rte 103 | 1971 | 40,420 | Fair |
| I-95(SB) over Saco River | 1948 | 35,170 | Fair |
| I-95 (NB) over Saco River | 1947 | 34,410 | Fair |
| I-95 SB & NB over Spruce Creek | 1947 | 31,420 | Fair |
All bridges nearby: York County, ME bridge conditions · every bridge in York County · Maine bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.