State Spotlight

Vermont Bridge Infrastructure: A Complete Analysis

A comprehensive look at Vermont's bridge inventory, including condition grades, highest-traffic crossings, worst-rated structures, and oldest bridges.

By BridgeStats Data TeamPublished June 15, 2025Updated June 15, 2025

Vermont is home to 2,866 bridges spanning 14 counties, making it one of the most significant bridge inventories in the country. These bridges carry a combined 9,859,609 vehicle crossings every day. Here is a comprehensive look at the state of Vermont's bridge infrastructure based on the latest National Bridge Inventory data.

2,866

Total Bridges

Infrastructure Grade

Poor Condition

62 years

Average Age

Vermont at a Glance

Vermont earns an overall infrastructure grade of B based on the percentage of its bridges in poor condition. Currently, 114 bridges (4%) are rated poor, compared to the national average of 6.7%. The average bridge in Vermont is 62 years old, older than the national average of 48 years.

Of the state's 2,866 bridges, 1,348 are in good condition, 1,404 are fair, and 114 are poor. View the full breakdown on the [Vermont report card](/reports/vermont).

Most-Traveled Bridges in Vermont

These are the bridges carrying the highest daily traffic volumes across Vermont. High-traffic bridges are critical infrastructure -- their condition directly affects the commutes of tens of thousands of drivers.

#	Bridge	Location	Condition	Rating	Built	Daily Traffic
1	I 00089 ML over I 89 OVER NECRR	Chittenden County, Vermont	Good	74.9	1962	56,400
2	I 00089 ML over I 89 OVER NECRR	Chittenden County, Vermont	Good	69.9	1962	56,400
3	I 00089 ML over I 89 OVER VT 15	Chittenden County, Vermont	Fair	57.6	1962	56,400
4	I 00089 ML over I 89 OVER VT 15	Chittenden County, Vermont	Fair	63.7	1962	56,400
5	I 00089 ML over WINOOSKI RIVER	Chittenden County, Vermont	Good	73.2	1962	56,400
6	I 00089 ML over WINOOSKI RIVER	Chittenden County, Vermont	Good	73.2	1962	56,400
7	I 00089 ML over I 89 OVER TH NO 78	Windsor County, Vermont	Good	55.0	1965	42,000
8	I 00189 RAMP over RAMP E OVER RAMP D	Chittenden County, Vermont	Fair	65.9	1963	41,000
9	I 00089 ML over I 89 OVER DORSET ST	Chittenden County, Vermont	Fair	64.3	1963	41,000
10	I 00089 ML over I 89 OVER EB I189	Chittenden County, Vermont	Fair	61.7	1962	41,000

Worst-Condition Bridges in Vermont

The following bridges have the lowest sufficiency ratings in Vermont. These structures are the most likely candidates for federal repair or replacement funding under the Bipartisan Infrastructure Law.

#	Bridge	Location	Condition	Rating	Built	Daily Traffic
1	C3022 over BATTEN KILL RIVER	Bennington County, Vermont	Poor	12.5	1943	230
2	C2006 over WHITE RIVER	Windsor County, Vermont	Poor	14.1	1928	500
3	C3045 over CALENDAR BROOK	Caledonia County, Vermont	Poor	15.6	1926	150
4	VT 00155 ML over MILL RIVER	Rutland County, Vermont	Poor	17.8	1940	1,000
5	C2002 over BROAD BROOK	Windsor County, Vermont	Poor	18.0	1940	160
6	BRIDGE STREET over CONNECTICUT RIVER	Windham County, Vermont	Poor	18.4	1930	6,100
7	C2002 over HAWKINS BROOK	Caledonia County, Vermont	Poor	18.5	1928	650
8	C4046 over LOCUST CREEK	Windsor County, Vermont	Poor	18.7	1987	10
9	C3005 over STANNARD BROOK	Caledonia County, Vermont	Poor	20.7	1929	350
10	C2002 over HAWKINS BROOK	Caledonia County, Vermont	Poor	21.1	1953	700

Oldest Bridges in Vermont

Vermont's oldest bridges tell the story of the state's transportation history. Some of these structures have been in continuous service for over a century.

#	Bridge	Location	Condition	Rating	Built	Daily Traffic
1	C3010 over MUDDY BRANCH	Addison County, Vermont	Fair	34.2	1824	10
2	C2001 over MAD RIVER	Washington County, Vermont	Fair	35.0	1833	1,900
3	C2006 over OMPOMPANOOSUC RIVER	Orange County, Vermont	Fair	61.2	1836	1,250
4	C2002 over OTTAUQUECHEE RIVER	Windsor County, Vermont	Fair	34.1	1836	1,500
5	C3039 over MILL RIVER	Rutland County, Vermont	Good	33.8	1836	500
6	C2004 over OTTER CREEK	Rutland County, Vermont	Good	34.2	1838	600
7	C3008 over WALLOOMSAC RIVER	Bennington County, Vermont	Fair	36.0	1840	1,000
8	C3026 over WALLOOMSAC RIVER	Bennington County, Vermont	Fair	34.0	1840	1,500
9	C3023 over OTTER CREEK	Rutland County, Vermont	Fair	54.8	1840	700
10	C3020 over BLACK RIVER	Windsor County, Vermont	Good	27.9	1840	10

What These Numbers Mean for Vermont

Vermont's bridge infrastructure grade of B reflects both the current condition of the state's bridges and the scale of the challenge ahead. With an average bridge age of 62 years, many of these structures are approaching or past the 50-75 year design life typical of most bridges. The state's ability to maintain and replace aging bridges will determine whether conditions improve or deteriorate in the coming decade.

For county-by-county breakdowns, historical trends, and individual bridge profiles, visit the [Vermont state page](/bridges/vermont) or the [Vermont report card](/reports/vermont). You can also explore how Vermont compares to other states in our [state rankings](/blog/best-bridge-infrastructure-by-state-2025).

Data source: All data comes from the National Bridge Inventory maintained by the Federal Highway Administration (FHWA). BridgeStats is not affiliated with the U.S. government. Data is provided for informational purposes only.

Rankings

Vermont Bridge Infrastructure: A Complete Analysis

Vermont at a Glance

Most-Traveled Bridges in Vermont

Worst-Condition Bridges in Vermont

Oldest Bridges in Vermont

What These Numbers Mean for Vermont

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