Mount Auburn Av over Rte 4
Androscoggin County, Maine · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Mount Auburn Av over Rte 4 in Androscoggin 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 2001, making it 24 years old at the 2025 inventory.
- It carries about 14,576 vehicles a day (traffic count year 2016).
- Its listed owner is the state highway agency.
- It is one of 57 of the 136 inventoried bridges in Androscoggin County rated good (41.9%); 17 (12.5%) 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 October 2023, 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 → (44.12052, -70.22528)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 123 ft |
| Location | Jct Center Street |
| NBI structure number | 6385 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Maine department of transportation.
Busiest bridges in Androscoggin County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Court St over Androscoggin River | 1983 | 33,048 | Fair |
| Main St over Main Canal | 1991 | 31,702 | Fair |
| Turner Rd over Lake Auburn Outlet | 1953 | 20,052 | Fair |
| Main St over Pedestrian Walkway | 1975 | 19,242 | Poor |
| Veterans Memorial over M C RR | 2001 | 17,635 | Good |
| Veterans Memorial over Androscoggin River | 1973 | 16,697 | Fair |
All bridges nearby: Androscoggin County, ME bridge conditions · every bridge in Androscoggin County · Maine bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.