US Bridges

Vt 00017 Ml over Mill Brook

Fair

Washington County, Vermont · 3.9 MI W Jct. VT.100 · Structure no. 200200003212082

Built
1948
77 years old, rebuilt 1976
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
42 ft
1 main span
Daily traffic
1,100
2018 count
Owner
State
State Highway Agency

About this bridge

Vt 00017 Ml over Mill Brook is a steel stringer/multi-beam or girder carrying Vt 00017 Ml over Mill Brook in Washington County, Vermont. It was built in 1948 and reconstructed in 1976, so it is 77 years old, older than the Vermont average of 60.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,100 vehicles a day, roughly 6% of them trucks, projected to reach 1,155 by 2028. The structure is 42 ft (12.8 m) long and 37 ft wide. If it were closed, the detour would be 36 mi (58 km).

Location

Open in Google Maps
CarriesVt 00017 Ml
CrossesMill Brook
Location3.9 MI W Jct. VT.100
RouteState Highway 17
CountyWashington County
StateVermont
Coordinates44.20398, -72.90836
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating39 US tons
Inventory rating23 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length42 ft (12.8 m)
Longest span38 ft (11.6 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2018)
Projected traffic1,155 by 2028
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed36 mi (58 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Vt 00017 Ml over Mill Brook built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1976.

What condition is Vt 00017 Ml over Mill Brook in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.

How much traffic does Vt 00017 Ml over Mill Brook carry?

About 1,100 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is Vt 00017 Ml over Mill Brook?

The structure is 42 ft (12.8 m) long with a longest span of 38 ft (11.6 m) and a deck 37 ft wide.

Who owns Vt 00017 Ml over Mill Brook?

It is owned by the State Highway Agency.