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C3015 over Mud Creek

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

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

C3015 over Mud Creek in Grand Isle 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 8 (very good condition) on the 0-9 scale.
It was built in 2009, making it 16 years old at the 2025 inventory.
It carries about 100 vehicles a day (traffic count year 2019).
Its listed owner is a town or township highway agency.
It is one of 5 of the 8 inventoried bridges in Grand Isle County rated good (62.5%); 0 (0.0%) 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
US 00002 Ml over Lake Champlain	1960	9,400	Fair
Vt 00078 Ml over Missisquoi Bay	2007	6,300	Good
Vt 00078 Ml over Mud Creek	1938	5,300	Good
US 00002 Ml over Lake Champlain	1987	4,200	Good
US 00002 Ml over Lake Champlain	2022	3,000	Good
US 00002 Ml over Alburgh Passage	1954	2,500	Fair