US Bridges

Vt 00009 Ml over Whetstone Brook

Fair

Windham County, Vermont · 0.9 MI W Jct. I91 Ex. 2 · Structure no. 200010005413022

Built
1914
111 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
70 ft
1 main span
Daily traffic
15,500
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Vt 00009 Ml over Whetstone Brook is a concrete culvert carrying Vt 00009 Ml over Whetstone Brook in Windham County, Vermont. It was built in 1914, so it is 111 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 15,500 vehicles a day, roughly 7% of them trucks, projected to reach 16,275 by 2028. The structure is 70 ft (21.3 m) long and 31 ft wide. If it were closed, the detour would be 29.2 mi (47 km).

Location

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CarriesVt 00009 Ml
CrossesWhetstone Brook
Location0.9 MI W Jct. I91 Ex. 2
RouteState Highway 9
CountyWindham County
StateVermont
Coordinates42.85136, -72.59451
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31 US tons
Inventory rating18 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 15
Structure length70 ft (21.3 m)
Longest span60 ft (18.3 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,500 (2018)
Projected traffic16,275 by 2028
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed29.2 mi (47 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$817,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Vt 00009 Ml over Whetstone Brook built?

It was built in 1914, making it 111 years old in 2025.

What condition is Vt 00009 Ml over Whetstone 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 Vt 00009 Ml over Whetstone Brook carry?

About 15,500 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is Vt 00009 Ml over Whetstone Brook?

The structure is 70 ft (21.3 m) long with a longest span of 60 ft (18.3 m) and a deck 31 ft wide.

Who owns Vt 00009 Ml over Whetstone Brook?

It is owned by the City or Municipal Highway Agency.