Basin Rd over Lamson Stream
Washington County, Maine · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Basin Rd over Lamson Stream in Washington County, Maine, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 7 (good condition) on the 0-9 scale.
- It was built in 2007, making it 18 years old at the 2025 inventory.
- It carries about 463 vehicles a day (traffic count year 2016).
- Its listed owner is the state highway agency.
- It is one of 41 of the 111 inventoried bridges in Washington County rated good (36.9%); 22 (19.8%) are rated poor.
- 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 → (44.56153, -67.67387)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 8 | Very good condition |
| Superstructure | 8 | Very good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete slab |
| Length | about 47 ft |
| Location | 2.0 Mi Swly of Jct 187 |
| NBI structure number | 2445 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Maine department of transportation.
Busiest bridges in Washington County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Dublin St over Machias River | 2004 | 11,740 | Good |
| Dublin St over Machias River | 2004 | 11,740 | Good |
| Dublin St over Mchias River | 2004 | 11,740 | Good |
| Main St over Middle River | 1930 | 9,731 | Poor |
| Houlton Rd over Stoney Brook | 2009 | 4,702 | Good |
| Bridge St over Narraguagus River | 2008 | 4,658 | Good |
All bridges nearby: Washington County, ME bridge conditions · every bridge in Washington County · Maine bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.