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I 00089 Ml over I 89 over Th No 46

Windsor County, Vermont · rated Good in the 2025 National Bridge Inventory

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

I 00089 Ml over I 89 over Th No 46 in Windsor County, Vermont, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 1967, making it 58 years old at the 2025 inventory.
It carries about 26,000 vehicles a day (traffic count year 2018).
Its listed owner is the state highway agency.
It is one of 216 of the 483 inventoried bridges in Windsor County rated good (44.7%); 26 (5.4%) 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.

Component ratings

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

Bridge	Built	Vehicles/day	Condition
I 00089 Ml over I 89 over Th No 78	1965	42,000	Good
I 00091 Ml over I 91 over US 5	2015	31,000	Good
I 00091 Ml over I 91 over US 5	2015	31,000	Good
I 00089 Ml over I 89 over US 5	1966	26,000	Fair
I 00089 Ml over I 89 over US 5	1966	26,000	Fair
I 00091 Ml over US 4 Vt 14 Necr Whtr	1967	21,000	Poor