Perry Mountain over Shepard River
Oxford County, Maine · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Perry Mountain over Shepard River in Oxford County, Maine, 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 2003, making it 22 years old at the 2025 inventory.
- It carries about 120 vehicles a day (traffic count year 2016).
- Its listed owner is the state highway agency.
- It is one of 61 of the 253 inventoried bridges in Oxford County rated good (24.1%); 45 (17.8%) 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 July 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 → (43.93762, -70.91943)
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 multiple box beam |
| Length | about 52 ft |
| Location | 300 Feet N of W Main St |
| NBI structure number | 0712 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | July 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 Maine department of transportation.
Busiest bridges in Oxford County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Main St over Pennessewassee Outlet | 1938 | 17,709 | Good |
| Main St over Little Androscog River | 1997 | 14,489 | Good |
| Main St over Tannery (bird) Brook | 1929 | 11,655 | Poor |
| Main St over Swift River | 1952 | 10,165 | Poor |
| Main St over Pennesseewassee Stream | 1964 | 9,804 | Fair |
| River Rd over Webb River | 2012 | 9,795 | Good |
All bridges nearby: Oxford County, ME bridge conditions · every bridge in Oxford County · Maine bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.