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Bridge conditions in Windsor County, Vermont

483 inventoried bridges · 26 rated poor · 2025 National Bridge Inventory

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

26 of the 483 bridges the federal inventory lists in Windsor County are rated poor; the rest split 216 good and 241 fair.

26 of the 483 bridges in Windsor County, Vermont, are rated in poor condition (5.4%) in the 2025 National Bridge Inventory, as of August 20, 2026.
216 bridges (44.7%) are rated good and 241 (49.9%) fair.
The median Windsor County bridge was built in 1967.
The busiest poor-rated bridge is I 00091 Ml over US 4 Vt 14 Necr Whtr (built 1967), carrying about 21,000 vehicles a day.

Good 44.7% · Fair 49.9% · Poor 5.4% of 483 bridges

Bridges rated poor

Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.

Bridge	Built	Vehicles/day	Condition
I 00091 Ml over US 4 Vt 14 Necr Whtr	1967	21,000	Poor
I-89 NB over Connecticut River Necrr	1966	20,105	Poor
I-89 SB over Connecticut River Necrr	1966	19,185	Poor
I 00089 Ml over I 89 over WR&NECR&107	1968	15,800	Poor
I 00091 Ml over I 91 over US 5	1965	13,000	Poor
I 00091 Ml over I 91 over US 5	1965	13,000	Poor
I 00091 Ml over I 91 over Vt 10A	1968	12,500	Poor
I 00091 Ml over I 91 over Vt 10A	1968	12,500	Poor
US 00004 Ml over Ottauquechee River	1911	8,900	Poor
Vt 00103 Ml over Williams R. & Gmrr	1962	5,600	Poor
Cornish Toll Br Rd over Connecticut River	1866	2,655	Poor
Vt 0044A over I 91 Under Vt 44A	1965	1,200	Poor
C2006 over White River	1928	500	Poor
C2002 over White River	1929	430	Poor
C3018 over New England Central RR	1920	300	Poor
C2002 over Broad Brook	1940	160	Poor
C3046 over Lulls Brook	1881	100	Poor
C3008 over Broad Brook	1974	70	Poor
C3034 over Ottauquechee River	1922	30	Poor
C3092 over 1ST Branch White R.	1919	20	Poor
C3019 over Bridgewater Brook	1914	20	Poor
C3047 over Locust Creek	1977	10	Poor
C4046 over Locust Creek	1987	10	Poor
C3050 over Williams River	1960	10	Poor
C3032 over Broad Brook	1919	10	Poor
C3055 over Broad Brook	1933	10	Poor

Busiest bridges in the county

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 Th No 46	1967	26,000	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
I 00091 Ml over US 4 Vt 14 Necr Whtr	1967	21,000	Fair
I-89 NB over Connecticut River Necrr	1966	20,105	Poor
I 00091 Ml over I 91 over Wilder SH	1967	20,100	Fair

Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.

Every bridge in Windsor County → - all 483, busiest first, each with its own condition record.

All of Vermont: Vermont bridge conditions by county · every download on the data page.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.