US Bridges

Vt 0012A Alt over E. Granville Brook

Fair

Addison County, Vermont · 8.9 MI N Jct. VT.12 S · Structure no. 200187001201072

Built
1929
96 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete
Length
24 ft
1 main span
Daily traffic
400
2018 count
Owner
State
State Highway Agency

About this bridge

Vt 0012A Alt over E. Granville Brook is a concrete slab carrying Vt 0012A Alt over E. Granville Brook in Addison County, Vermont. It was built in 1929, so it is 96 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 400 vehicles a day, roughly 6% of them trucks, projected to reach 420 by 2028. The structure is 24 ft (7.3 m) long and 32 ft wide.

Location

Open in Google Maps
CarriesVt 0012A Alt
CrossesE. Granville Brook
Location8.9 MI N Jct. VT.12 S
RouteState Highway 12A
CountyAddison County
StateVermont
Coordinates44.01651, -72.75869
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
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length24 ft (7.3 m)
Longest span20 ft (6.1 m)
Deck width32 ft (9.9 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2018)
Projected traffic420 by 2028
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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$323,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Vt 0012A Alt over E. Granville Brook built?

It was built in 1929, making it 96 years old in 2025.

What condition is Vt 0012A Alt over E. Granville 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 0012A Alt over E. Granville Brook carry?

About 400 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is Vt 0012A Alt over E. Granville Brook?

The structure is 24 ft (7.3 m) long with a longest span of 20 ft (6.1 m) and a deck 32 ft wide.

Who owns Vt 0012A Alt over E. Granville Brook?

It is owned by the State Highway Agency.