County profile · official public datasets

Washington County, VT

248 public highway bridges tracked in the FHWA National Bridge Inventory: 49.6% rated Good, 46.8% Fair, 3.6% Poor.

248
Public bridges
49.6%
Good condition
3.6%
Poor condition

The verdict

According to the Federal Highway Administration's 2024 National Bridge Inventory.

Washington County posts a higher-than-median Poor-condition share among rated counties in the state across mid-size county bridge inventory.

11th
of 14 on Poor share
3.6%
Poor-condition share
248
public highway bridges
1961
avg year built

Poor is an FHWA condition category from the lowest applicable component rating (4 or below), not a live crossing-safety or closure decision. Rankings cover counties with at least five public highway bridges.

Washington County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Washington County ranks #11 of 14 Vermont counties with at least 5 public highway bridges on Poor-condition share (lower share ranks better; currently 3.6%). Washington County, Vermont contains 248 public highway bridges. Roughly 49.6% are rated “Good,” 46.8% “Fair,” and 3.6% “Poor.” Poor means the lowest applicable deck, superstructure, substructure, or culvert rating is 4 or below on the 0–9 NBI scale. It is a condition category, not a live safety or closure decision.

Responsible agencies inspect covered bridges on risk-based intervals under current NBIS rules and submit inventory data to FHWA annually. The list below shows every NBI-tracked bridge in the county. Use the “Sort by” controls to change the ordering, and click any row for its reported inspection date, traffic count, and condition fields.

Source: FHWA National Bridge Inventory. See methodology for full definitions.

Total bridges

248

Public highway bridges in Washington County

Good condition

49.6%

123 of 248 rated 7-9

Fair condition

46.8%

116 of 248 rated 5-6

Poor condition

3.6%

9 of 248 rated 4 or below

In-state Poor-share rank

#11 of 14

Among Vermont counties with 5+ bridges, lower share ranks better

Condition distribution

Share of 248 NBI-tracked bridges by lowest applicable component rating.

Good
49.6% (123)
Fair
46.8% (116)
Poor
3.6% (9)

Washington County's Poor-condition bridges carry 12,170 vehicle crossings a day

That is 1.1% of the county's reported daily bridge traffic on 3.6% of its bridges: Poor-condition structures carry less traffic than their share of the inventory. Each Poor bridge averages 1,352 crossings a day against 5,265 for a Good-condition one. A Poor rating is a condition category, not a closure or a live safety judgement; it means the lowest applicable component rating is 4 or below.

Computed over the 248 of 248 bridges in this county that report an average daily traffic count. Source: FHWA National Bridge Inventory, 2024 release.

67.7% of Washington County's bridges have passed the 50-year mark

168 of the 248 bridges with a recorded construction year were built in 1974 or earlier. Age alone is not a defect: a well-maintained older bridge can rate Good, and 49.6% of this county's inventory does. Even so, this older cohort is the population from which future Poor ratings are drawn, which is why the age profile below matters alongside the condition split above.

Cutoff derives from the 2024 release year minus a 50-year design life. Source: FHWA National Bridge Inventory, 2024 release.

One structure carries 46% of the county's Poor-condition bridge traffic

US 00002 ML over LITTLE RIVER, built 1961, carries 5,600 vehicles a day, the most of any Poor-rated structure here. The county's Poor-condition exposure is concentrated rather than evenly spread, so the 9-bridge count understates how much of the daily burden sits on a single crossing.

Share is of the 12,170 daily crossings on Poor-rated bridges that report a traffic count. Source: FHWA National Bridge Inventory, 2024 release.

When Washington County's bridges were built

248 bridges with a recorded construction year, grouped by decade

bridges

What this shows Construction peaked in the 1960s, when 38 of the county's bridges still in the inventory were built, which is 15.3% of those with a recorded year. That cohort is now 55 to 64 years old in the 2024 inventory. Its average build year (1961) matches the Vermont average (1964).

Source FHWA National Bridge Inventory (year built) As of 2024 NBI release

How Washington County compares with Vermont's closest counties by inventory size

The 5 Vermont counties nearest Washington County in number of bridges, with their condition splits. Its 3.6% Poor share is the 6th-lowest of these 6. Its average build year of 1961 against a peer-group mean of 1964 is in line with the group.

Showing the 5 closest of 13 Vermont counties eligible for comparison.

Bridge inventory size and condition shares for Washington County and the 5 Vermont counties closest to it in inventory size
County Bridges Poor
Rutland County 266 2.6%
Washington County (this page) 248 3.6%
Caledonia County 247 1.6%
Bennington County 215 0.9%
Orange County 208 1.9%
Chittenden County 184 2.2%

Each share is of that county's own total tracked bridges; peers are the counties with 5 or more bridges whose inventory size is closest to Washington County's. Source: FHWA National Bridge Inventory, 2024 release.

Nationwide counties with similar inventory size or average build year

Two NBI-derived peer sets for Washington County, both outside Vermont so the neighborhoods are not the same-state size table above.

Similar inventory size

Nearest county inventories outside VT (248 bridges here).

Similar average build year

Nearest mean year-built outside VT (1961 here).

Source: FHWA National Bridge Inventory, 2024 release. Peers floor at 10 bridges so stub inventories cannot own the match.

Good-condition bridges (123)

US 00002 ML

Good

Over: WINOOSKI RIVER

1.3 MI W JCT. VT.100B, Washington, VT

Built 2010 Load: 39.0 t ADT: 3,400

C3059

Good

Over: STEVENS BRANCH

0.2 MI TO JCT W VT14, Washington, VT

Built 1974 Load: 39.9 t ADT: 100

C30GR

Good

Over: STEVENS BRANCH

0.15 MI TO JCT W CL1 TH1, Washington, VT

Built 2005 Load: 40.8 t ADT: 2,100

C30WI

Good

Over: STEVENS BRANCH

@ JCT W1 US302, Washington, VT

Built 2000 Load: 40.8 t ADT: 1,380

C3016

Good

Over: DOG RIVER

0.1 MI TO JCT W VT12, Washington, VT

Built 1967 Load: 40.8 t ADT: 30

C3029

Good

Over: UNION BROOK

0.13 MI TO JCT W CL3 TH8, Washington, VT

Built 2003 Load: 40.8 t ADT: 70

C3011

Good

Over: BULL RUN BROOK

0.10 MI N JCT TH12, Washington, VT

Built 2012 Load: 40.8 t ADT: 100

C2002

Good

Over: MINISTER BROOK

@ JCT. W CL3 TH3, Washington, VT

Built 1996 Load: 40.8 t ADT: 260

VT 00014 ML

Good

Over: SODOM POND BROOK

0.49 MI N JCT. U.S.2, Washington, VT

Built 2010 Load: 40.8 t ADT: 3,400

VT 0012A ALT

Good

Over: BROOK

13.0 MI N JCT. VT.12 S, Washington, VT

Built 2011 Load: 40.8 t ADT: 400

C2001

Good

Over: RIDLEY BROOK

0.2 MI TO JCT W CL3 TH12, Washington, VT

Built 1997 Load: 41.7 t ADT: 370

US 00002 ML

Good

Over: WINOOSKI RIVER

0.2 M1 W JCT VT.100S, Washington, VT

Built 1992 Load: 41.7 t ADT: 8,200

US 00002 ML

Good

Over: MOLLYS BROOK

5.1 MI W JCY VT15, Washington, VT

Built 2018 Load: 41.7 t ADT: 4,100

VT 00014 ML

Good

Over: WINOOSKI RIVER

0.1 MI S JCT. U.S.2 W, Washington, VT

Built 2018 Load: 41.7 t ADT: 5,600

US 00002 ML

Good

Over: GREAT BROOK

0.4MI E JCT VT 100 B, Washington, VT

Built 1979 Load: 41.7 t ADT: 2,400

CITY BLACKWELL

Good

Over: STEVENS BRANCH

BLACKWELL STREET, Washington, VT

Built 2000 Load: 41.7 t ADT: 1,600

C30PA

Good

Over: STEVENS BRANCH

0.1 MI TO JCT W CL1 TH2, Washington, VT

Built 1997 Load: 42.6 t ADT: 1,100

C3029

Good

Over: MAD RIVER

0.1 MI TO JCT W VT100, Washington, VT

Built 1999 Load: 42.6 t ADT: 180

I 00089 ML

Good

Over: I 89 OVER US 2

1.8 MI N EXIT 8, Washington, VT

Built 1960 Load: 42.6 t ADT: 25,200

TR 01 FAS 188

Good

Over: FREEMANS BROOK

0.4 MI E JCT. VT.100 N, Washington, VT

Built 1947 Load: 42.6 t ADT: 1,100

US 00302 ML

Good

Over: STEVENS BRANCH

1.8 MI E JCT. U.S.2 E, Washington, VT

Built 2023 Load: 42.6 t ADT: 13,500

C3WAL

Good

Over: DOG RIVER

0.01 MI TO JCT W WATER ST, Washington, VT

Built 1978 Load: 43.5 t ADT: 1,500

C2002

Good

Over: GREAT BROOK

1.8 MI S TO OF TH1, Washington, VT

Built 1991 Load: 43.5 t ADT: 362

US 00002 ML

Good

Over: WINOOSKI RIVER

1.2 MI E JCT VT.14 N, Washington, VT

Built 2009 Load: 43.5 t ADT: 8,700

VT 00014 ML

Good

Over: PEKIN BROOK

5.2 MI N JCT. U.S.2 E, Washington, VT

Built 2021 Load: 43.5 t ADT: 3,200

I 00089 ML

Good

Over: LITTLE RIVER

1.5 MI N EXIT 10, Washington, VT

Built 1961 Load: 43.5 t ADT: 28,200

I 00089 ML

Good

Over: LITTLE RIVER

1.5 MI N EXIT 10, Washington, VT

Built 1961 Load: 44.5 t ADT: 28,200

VT 0100B ALT

Good

Over: MAD RIVER

1.6 MI N JCT. VT.100, Washington, VT

Built 1994 Load: 44.5 t ADT: 2,700

C2002

Good

Over: NEW ENGLAND CENTRAL RR

0.07 MI TO JCT W CL1 TH1, Washington, VT

Built 2004 Load: 45.4 t ADT: 3,300

I 00089 RAMP

Good

Over: RAMP A OVER TH2 & BROOK

0.3 MI S EXIT 10, Washington, VT

Built 2016 Load: 45.4 t ADT: 23,700

C3041

Good

Over: WINOOSKI RIVER

0.1 MI TO JCT W CL2 TH1, Washington, VT

Built 2008 Load: 46.3 t ADT: 60

C3030

Good

Over: WINOOSKI RIVER

0.6 MI TO JCT W US2, Washington, VT

Built 1851 Load: 46.3 t ADT: 150

I 00089 ML

Good

Over: I 89 OVER US 2

1.8 MI N EXIT 8, Washington, VT

Built 1960 Load: 46.3 t ADT: 25,200

I 00089 ML

Good

Over: I 89 OVER US 2

2.8 MI N EXIT 10, Washington, VT

Built 1961 Load: 46.3 t ADT: 28,200

I 00089 ML

Good

Over: I 89 OVER US 2

2.8 MI N EXIT 10, Washington, VT

Built 1961 Load: 46.3 t ADT: 28,200

VT 0012A ALT

Good

Over: DOG RIVER

4.1 MI S JCT. VT.12 N, Washington, VT

Built 1993 Load: 46.3 t ADT: 1,300

I 00089 ML

Good

Over: I 89 OVER VT 62

I 89 EXIT 7, Washington, VT

Built 1970 Load: 47.2 t ADT: 20,900

VT 0100B ALT

Good

Over: WINOOSKI RIVER

0.1 MI S JCT. U.S.2, Washington, VT

Built 2001 Load: 47.2 t ADT: 2,900

VT 00017 ML

Good

Over: MILL BROOK

1.1 MI W JCT. VT.100, Washington, VT

Built 1939 Load: 47.2 t ADT: 2,800

CITY PIONR

Good

Over: WINOOSKI RIVER

PIONEER STREET, Washington, VT

Built 2002 Load: 47.2 t ADT: 4,300

C3039

Good

Over: DOG RIVER

0.04 MI TO JCT W VT12, Washington, VT

Built 1984 Load: 48.1 t ADT: 100

VT 0012A ALT

Good

Over: 3RD BRANCH WHITE R.

12.0 MI N JCT. VT.12 S, Washington, VT

Built 1995 Load: 48.1 t ADT: 400

VT 00012 ML

Good

Over: HANCOCK BROOK

10.7 MI N JCT. U.S.2, Washington, VT

Built 1993 Load: 48.1 t ADT: 1,500

CITY PROSP

Good

Over: STEVENS BRANCH

PROSPECT STREET, Washington, VT

Built 1947 Load: 48.1 t ADT: 4,700

C30WA

Good

Over: UNION BROOK

0.02 MI TO JCT W WALL ST, Washington, VT

Built 1973 Load: 49.9 t ADT: 750

VT 00017 ML

Good

Over: MILL BROOK

1.4 MI W JCT. VT.100, Washington, VT

Built 1939 Load: 49.9 t ADT: 2,800

VT 00100 ML

Good

Over: MAD RIVER

0.8 MI S JCT. VT.17, Washington, VT

Built 2016 Load: 50.8 t ADT: 5,500

VT 00012 ML

Good

Over: DOG RIVER

1.8 MI S JCT. U.S.2, Washington, VT

Built 1996 Load: 50.8 t ADT: 3,700

C3012

Good

Over: COX BROOK

0.05 MI TO JCT W CL2 TH3, Washington, VT

Built 2003 Load: 51.7 t ADT: 10

TR 01 FAS 242

Good

Over: WORCESTER BROOK

1.3 MI E JCT. VT12, Washington, VT

Built 2007 Load: 51.7 t ADT: 490
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainBridges

Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.