S Main St over E Branch Sebasticook Riv
Somerset County, Maine · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- S Main St over E Branch Sebasticook Riv in Somerset 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 1936, making it 89 years old at the 2025 inventory.
- It carries about 1,866 vehicles a day (traffic count year 2016).
- Its listed owner is the state highway agency.
- It is one of 97 of the 173 inventoried bridges in Somerset County rated fair (56.1%); 40 (23.1%) 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 October 2023, on a 24-month routine inspection cycle.
- It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
- 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 → (44.79261, -69.29559)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Steel through truss |
| Length | about 93 ft |
| Location | Adj to W Jct Rte 69 & 220 |
| NBI structure number | 3309 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
| Fracture critical (item 92A) | Yes |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Maine department of transportation.
Busiest bridges in Somerset County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Island Av over Kennebec River | 1976 | 21,774 | Fair |
| US2 & US201 over Kennebec River | 1976 | 18,813 | Fair |
| Bridge St over W Channel Kennebec River | 2003 | 13,343 | Good |
| Bridge St over C Channel Kennebec River | 2003 | 13,237 | Good |
| I 95 over Route 201 (skowhegan Rd) | 1960 | 12,470 | Fair |
| Oxbow Rd over Interstate 95 NB & SB | 1963 | 10,232 | Poor |
All bridges nearby: Somerset County, ME bridge conditions · every bridge in Somerset County · Maine bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.