US Bridges

Vt 0100A Alt over Pinney Hollow Brook

Fair

Windsor County, Vermont · 3.7 MI N Jct. VT.100 · Structure no. 200149000914122

Built
1984
41 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete
Length
31 ft
1 main span
Daily traffic
770
2018 count
Owner
State
State Highway Agency

About this bridge

Vt 0100A Alt over Pinney Hollow Brook is a concrete slab carrying Vt 0100A Alt over Pinney Hollow Brook in Windsor County, Vermont. It was built in 1984, so it is 41 years old, younger 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 770 vehicles a day, roughly 6% of them trucks, projected to reach 809 by 2028. The structure is 31 ft (9.4 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesVt 0100A Alt
CrossesPinney Hollow Brook
Location3.7 MI N Jct. VT.100
RouteState Highway 100A
StateVermont
Coordinates43.56367, -72.69
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating81 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width35 ft (10.6 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic770 (2018)
Projected traffic809 by 2028
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 0100A Alt over Pinney Hollow Brook built?

It was built in 1984, making it 41 years old in 2025.

What condition is Vt 0100A Alt over Pinney Hollow 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 0100A Alt over Pinney Hollow Brook carry?

About 770 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is Vt 0100A Alt over Pinney Hollow Brook?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 35 ft wide.

Who owns Vt 0100A Alt over Pinney Hollow Brook?

It is owned by the State Highway Agency.