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Vt 00100 Ml over Mad River

Washington County, Vermont · rated Fair in the 2025 National Bridge Inventory

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

Vt 00100 Ml over Mad River in Washington County, Vermont, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1957 and reconstructed in 2001, making it 68 years old at the 2025 inventory.
It carries about 1,100 vehicles a day (traffic count year 2018).
Its listed owner is the state highway agency.
It is one of 124 of the 248 inventoried bridges in Washington County rated fair (50.0%); 11 (4.4%) 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.

Component ratings


Structure	Steel stringer or multi-beam girder
Length	about 84 ft
Location	7.4 Mi S Jct. VT.17
NBI structure number	200013016712172
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I 00089 Ml over Little River	1961	28,200	Fair
I 00089 Ml over Little River	1961	28,200	Fair
I 00089 Ml over I 89 over Th No 7	1961	28,200	Fair
I 00089 Ml over I 89 over Th No 7	1961	28,200	Fair
I 00089 Ml over I 89 over US 2	1961	28,200	Good
I 00089 Ml over I 89 over US 2	1961	28,200	Good