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Vt 00018 Ml over I 93 Under Vt 18

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

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

Vt 00018 Ml over I 93 Under Vt 18 in Caledonia 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 5 (fair condition) on the 0-9 scale.
It was built in 1982, making it 43 years old at the 2025 inventory.
It carries about 2,700 vehicles a day (traffic count year 2018).
Its listed owner is the state highway agency.
It is one of 125 of the 248 inventoried bridges in Caledonia County rated fair (50.4%); 15 (6.0%) 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	Continuous steel stringer or multi-beam girder
Length	about 213 ft
Location	I 93 Exit 1
NBI structure number	200225000903162
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US 00005 Ml over Passumpsic River	1972	12,200	Good
I 00091 Ml over I 91 over Th 10 Brk	1975	11,900	Good
I 00091 Ml over I 91 over Th 10 Brk	1975	11,900	Good
I 00091 Ml over I 91 over US 5	1974	11,900	Fair
I 00091 Ml over I 91 over US 5	1974	11,900	Good
I 00091 Ml over I 91 over US 5	1974	11,900	Fair