N Main St over Valley Brook
Franklin County, Maine · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- N Main St over Valley Brook in Franklin County, Maine, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1951, making it 74 years old at the 2025 inventory.
- It carries about 1,092 vehicles a day (traffic count year 2016).
- Its listed owner is the state highway agency.
- It is one of 67 of the 129 inventoried bridges in Franklin County rated fair (51.9%); 29 (22.5%) 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 → (44.81779, -70.21801)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete tee beam |
| Length | about 48 ft |
| Location | 1 Mi N Jct 4 |
| NBI structure number | 3813 |
| 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) | 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 Franklin County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Wilton Rd over Temple Stream | 1929 | 19,162 | Fair |
| Wilton Rd over Sandy River | 1991 | 18,204 | Good |
| US Rt 2 E over Wilson Stream | 1962 | 9,341 | Fair |
| Mercer Rd over Sandy River | 1958 | 8,124 | Fair |
| Farmington Falls R over Muddy Brook | 2002 | 7,894 | Fair |
| Farmington Falls R over Beales Brook | 2020 | 7,445 | Good |
All bridges nearby: Franklin County, ME bridge conditions · every bridge in Franklin County · Maine bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.