US Bridges

C3006 over New Haven River

PoorPosted for load

Addison County, Vermont · @ JCT W CL2 TH1 · Structure no. 100110004601101

Built
1919
106 years old, rebuilt 1970
Condition
Poor
inspected August 2024
Type
Truss - Thru
Steel
Length
85 ft
1 main span
Daily traffic
200
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3006 over New Haven River is a steel truss - thru carrying C3006 over New Haven River in Addison County, Vermont. It was built in 1919 and reconstructed in 1970, so it is 106 years old, older than the Vermont average of 60.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 200 vehicles a day, roughly 1% of them trucks, projected to reach 210 by 2029. The structure is 85 ft (25.9 m) long and 21 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesC3006
CrossesNew Haven River
Location@ JCT W CL2 TH1
CountyAddison County
StateVermont
Coordinates44.11892, -73.01956
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20 US tons
Inventory rating8 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length85 ft (25.9 m)
Longest span80 ft (24.4 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2019)
Projected traffic210 by 2029
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$935,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3006 over New Haven River built?

It was built in 1919, making it 106 years old in 2025. It was reconstructed in 1970.

What condition is C3006 over New Haven River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does C3006 over New Haven River carry?

About 200 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is C3006 over New Haven River?

The structure is 85 ft (25.9 m) long with a longest span of 80 ft (24.4 m) and a deck 21 ft wide.

Who owns C3006 over New Haven River?

It is owned by the Town or Township Highway Agency.