US Bridges

C3011 over Passumpsic River

FairPosted for load

Caledonia County, Vermont · 0.2 MI E JCT US RTE 5 · Structure no. 100301004803011

Built
1928
97 years old, rebuilt 1991
Condition
Fair
inspected October 2024
Type
Truss - Thru
Steel
Length
207 ft
1 main span
Daily traffic
650
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3011 over Passumpsic River is a steel truss - thru carrying C3011 over Passumpsic River in Caledonia County, Vermont. It was built in 1928 and reconstructed in 1991, so it is 97 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 650 vehicles a day, roughly 2% of them trucks, projected to reach 683 by 2029. The structure is 207 ft (63.1 m) long and 17 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesC3011
CrossesPassumpsic River
Location0.2 MI E JCT US RTE 5
CountyCaledonia County
StateVermont
Coordinates44.37513, -72.02565
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating28 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadH 20
Structure length207 ft (63.1 m)
Longest span160 ft (48.8 m)
Deck width17 ft (5.2 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deck14 ft (4.4 m)

Traffic and service

Average daily traffic650 (2019)
Projected traffic683 by 2029
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.3 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3011 over Passumpsic River built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1991.

What condition is C3011 over Passumpsic River 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 2024.

How much traffic does C3011 over Passumpsic River carry?

About 650 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3011 over Passumpsic River?

The structure is 207 ft (63.1 m) long with a longest span of 160 ft (48.8 m) and a deck 17 ft wide.

Who owns C3011 over Passumpsic River?

It is owned by the Town or Township Highway Agency.