US Bridges

Vt 0100A Alt over Pinney Hollow Brook

Fair

Windsor County, Vermont · 4.0 MI N Jct. VT.100 · Structure no. 200149001014122

Built
1939
86 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
74 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 steel stringer/multi-beam or girder carrying Vt 0100A Alt over Pinney Hollow Brook in Windsor County, Vermont. It was built in 1939, so it is 86 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 74 ft (22.6 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesVt 0100A Alt
CrossesPinney Hollow Brook
Location4.0 MI N Jct. VT.100
RouteState Highway 100A
CountyWindsor County
StateVermont
Coordinates43.56364, -72.68371
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length74 ft (22.6 m)
Longest span72 ft (21.9 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.4 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$757,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1939, making it 86 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 74 ft (22.6 m) long with a longest span of 72 ft (21.9 m) and a deck 27 ft wide.

Who owns Vt 0100A Alt over Pinney Hollow Brook?

It is owned by the State Highway Agency.