US Bridges

C3020 over Lee River

Fair

Chittenden County, Vermont · 0.01 MI to JCT W CL2 TH2 · Structure no. 100409003804091

Built
1914
111 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Single or Spread
Steel
Length
50 ft
1 main span
Daily traffic
10
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3020 over Lee River is a steel box beam or girders - single or spread carrying C3020 over Lee River in Chittenden County, Vermont. It was built in 1914, so it is 111 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 10 vehicles a day, roughly 2% of them trucks, projected to reach 11 by 2029. The structure is 50 ft (15.2 m) long and 12 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesC3020
CrossesLee River
Location0.01 MI to JCT W CL2 TH2
CountyChittenden County
StateVermont
Coordinates44.48239, -72.97383
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating32 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span47 ft (14.3 m)
Deck width12 ft (3.6 m)
Roadway width11 ft (3.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2019)
Projected traffic11 by 2029
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$257,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3020 over Lee River built?

It was built in 1914, making it 111 years old in 2025.

What condition is C3020 over Lee 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 2023.

How much traffic does C3020 over Lee River carry?

About 10 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3020 over Lee River?

The structure is 50 ft (15.2 m) long with a longest span of 47 ft (14.3 m) and a deck 12 ft wide.

Who owns C3020 over Lee River?

It is owned by the Town or Township Highway Agency.