US Bridges

US 00002 Ml over Knob Hill Brook

Fair

Washington County, Vermont · 1.4 MI W JCT VT.232 · Structure no. 200028008012092

Built
1915
110 years old, rebuilt 1968
Condition
Fair
inspected June 2023
Type
Slab
Concrete
Length
25 ft
1 main span
Daily traffic
5,600
2018 count
Owner
State
State Highway Agency

About this bridge

US 00002 Ml over Knob Hill Brook is a concrete slab carrying US 00002 Ml over Knob Hill Brook in Washington County, Vermont. It was built in 1915 and reconstructed in 1968, so it is 110 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 5,600 vehicles a day, roughly 10% of them trucks, projected to reach 5,880 by 2028. The structure is 25 ft (7.6 m) long and 46 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Location

Open in Google Maps
CarriesUS 00002 Ml
CrossesKnob Hill Brook
Location1.4 MI W JCT VT.232
RouteU.S. Route 2
CountyWashington County
StateVermont
Coordinates44.35125, -72.35509
Functional classRural Principal Arterial - Other

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span22 ft (6.7 m)
Deck width46 ft (14 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,600 (2018)
Projected traffic5,880 by 2028
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed31.1 mi (50 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$453,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 00002 Ml over Knob Hill Brook built?

It was built in 1915, making it 110 years old in 2025. It was reconstructed in 1968.

What condition is US 00002 Ml over Knob Hill 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 June 2023.

How much traffic does US 00002 Ml over Knob Hill Brook carry?

About 5,600 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is US 00002 Ml over Knob Hill Brook?

The structure is 25 ft (7.6 m) long with a longest span of 22 ft (6.7 m) and a deck 46 ft wide.

Who owns US 00002 Ml over Knob Hill Brook?

It is owned by the State Highway Agency.