US Bridges

C3035 over Gihon River

FairPosted for load

Lamoille County, Vermont · @ JCT of CL3 TH6 & TH35 · Structure no. 100805003408051

Built
1972
53 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
62 ft
1 main span
Daily traffic
200
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3035 over Gihon River is a steel stringer/multi-beam or girder carrying C3035 over Gihon River in Lamoille County, Vermont. It was built in 1972, so it is 53 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 200 vehicles a day, roughly 2% of them trucks, projected to reach 210 by 2029. The structure is 62 ft (18.9 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesC3035
CrossesGihon River
Location@ JCT of CL3 TH6 & TH35
CountyLamoille County
StateVermont
Coordinates44.63416, -72.62306
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.
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating51 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length62 ft (18.9 m)
Longest span61 ft (18.6 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2019)
Projected traffic210 by 2029
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$397,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3035 over Gihon River built?

It was built in 1972, making it 53 years old in 2025.

What condition is C3035 over Gihon 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 September 2023.

How much traffic does C3035 over Gihon River carry?

About 200 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3035 over Gihon River?

The structure is 62 ft (18.9 m) long with a longest span of 61 ft (18.6 m) and a deck 16 ft wide.

Who owns C3035 over Gihon River?

It is owned by the Town or Township Highway Agency.