I-495 over Lambert St/falmouth Spur

Cumberland County, Maine · rated Fair in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

• I-495 over Lambert St/falmouth Spur in Cumberland County, Maine, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
• Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
• It was built in 1956 and reconstructed in 2009, making it 69 years old at the 2025 inventory.
• It carries about 5,770 vehicles a day (traffic count year 2016).
• It is one of 216 of the 344 inventoried bridges in Cumberland County rated fair (62.8%); 35 (10.2%) are rated poor.
• 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 → (43.72299, -70.30078)

Component ratings

Bridge details

Source: FHWA National Bridge Inventory, 2025 data as reported by the Maine department of transportation.

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Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.