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C3043 over Miller Brook

Lamoille County, Vermont · rated Poor in the 2025 National Bridge Inventory

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

C3043 over Miller Brook in Lamoille County, Vermont, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
It was built in 1948, making it 77 years old at the 2025 inventory.
It carries about 400 vehicles a day (traffic count year 2019).
Its listed owner is a town or township highway agency.
It is one of 4 of the 127 inventoried bridges in Lamoille County rated poor (3.1%); 4 (3.1%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Steel stringer or multi-beam girder
Length	about 54 ft
Location	0.5 Mi to Jct W CL3 TH48
NBI structure number	100808005108081
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
Vt 00015 Ml over Centerville Brook	2014	10,800	Good
Vt 00100 Ml over Gold Brook	2014	10,300	Fair
Vt 00100 Ml over Moss Glen Brook	1934	9,700	Fair
Vt 00108 Ml over West Brook	2016	9,600	Good
Vt 00100 Ml over Ryder Brook	2002	9,300	Good
Alt Vt 00100 Ml over Lamoille River	2014	8,800	Good