US Bridges

C3084 over Halls Brook

FairPosted for load

Orange County, Vermont · 0.1 MI JCT TH 84 + TH 1 · Structure no. 100907002809071

Built
1929
96 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Concrete
Length
49 ft
1 main span
Daily traffic
100
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3084 over Halls Brook is a concrete tee beam carrying C3084 over Halls Brook in Orange 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 2% of them trucks, projected to reach 105 by 2029. The structure is 49 ft (14.9 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesC3084
CrossesHalls Brook
Location0.1 MI JCT TH 84 + TH 1
CountyOrange County
StateVermont
Coordinates44.04629, -72.08164
Functional classRural Local

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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32 US tons
Inventory rating19 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length49 ft (14.9 m)
Longest span46 ft (14 m)
Deck width23 ft (7.1 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic105 by 2029
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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$451,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3084 over Halls Brook built?

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

What condition is C3084 over Halls 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 October 2023.

How much traffic does C3084 over Halls Brook carry?

About 100 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3084 over Halls Brook?

The structure is 49 ft (14.9 m) long with a longest span of 46 ft (14 m) and a deck 23 ft wide.

Who owns C3084 over Halls Brook?

It is owned by the Town or Township Highway Agency.