Hwy Corbett St over I 495

Essex County, Massachusetts · rated Fair in the 2025 National Bridge Inventory

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

• Hwy Corbett St over I 495 in Essex County, Massachusetts, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
• Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
• It was built in 1962, making it 63 years old at the 2025 inventory.
• It carries about 2,800 vehicles a day (traffic count year 2024).
• Its listed owner is the state highway agency.
• It is one of 270 of the 397 inventoried bridges in Essex County rated fair (68.0%); 66 (16.6%) 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 → (42.67716, -71.16056)

Component ratings

Bridge details

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

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