US Bridges

Vt 0100A Alt over Pinney Hollow Brook

Fair

Windsor County, Vermont · 3.1 MI N Jct. VT.100 · Structure no. 200149000714122

Built
1947
78 years old, rebuilt 1975
Condition
Fair
inspected June 2023
Type
Tee Beam
Concrete
Length
32 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 tee beam carrying Vt 0100A Alt over Pinney Hollow Brook in Windsor County, Vermont. It was built in 1947 and reconstructed in 1975, so it is 78 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 5 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 32 ft (9.8 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesVt 0100A Alt
CrossesPinney Hollow Brook
Location3.1 MI N Jct. VT.100
RouteState Highway 100A
StateVermont
Coordinates43.5601, -72.70283
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating40 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length32 ft (9.8 m)
Longest span28 ft (8.5 m)
Deck width30 ft (9.1 m)
Roadway width29 ft (8.8 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$386,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Vt 0100A Alt over Pinney Hollow Brook built?

It was built in 1947, making it 78 years old in 2025. It was reconstructed in 1975.

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 32 ft (9.8 m) long with a longest span of 28 ft (8.5 m) and a deck 30 ft wide.

Who owns Vt 0100A Alt over Pinney Hollow Brook?

It is owned by the State Highway Agency.