US Bridges

Vt 00009 Ml over Whetstone Brook

Fair

Windham County, Vermont · 2.6 MI W Jct. I91 Ex. 2 · Structure no. 200010005113022

Built
1937
88 years old, rebuilt 1977
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
83 ft
1 main span
Daily traffic
11,200
2018 count
Owner
State
State Highway Agency

About this bridge

Vt 00009 Ml over Whetstone Brook is a steel stringer/multi-beam or girder carrying Vt 00009 Ml over Whetstone Brook in Windham County, Vermont. It was built in 1937 and reconstructed in 1977, so it is 88 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 11,200 vehicles a day, roughly 10% of them trucks, projected to reach 11,760 by 2028. The structure is 83 ft (25.3 m) long and 34 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

Location

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CarriesVt 00009 Ml
CrossesWhetstone Brook
Location2.6 MI W Jct. I91 Ex. 2
RouteState Highway 9
CountyWindham County
StateVermont
Coordinates42.86643, -72.61741
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length83 ft (25.3 m)
Longest span75 ft (22.9 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,200 (2018)
Projected traffic11,760 by 2028
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 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$1 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Vt 00009 Ml over Whetstone Brook built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1977.

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 11,200 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is Vt 00009 Ml over Whetstone Brook?

The structure is 83 ft (25.3 m) long with a longest span of 75 ft (22.9 m) and a deck 34 ft wide.

Who owns Vt 00009 Ml over Whetstone Brook?

It is owned by the State Highway Agency.