US Bridges

C3718 over Whetstone Brook

Fair

Windham County, Vermont · 0.01 MI N JCT W VT9 · Structure no. 101302006213021

Built
1919
106 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
55 ft
1 main span
Daily traffic
300
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3718 over Whetstone Brook is a steel stringer/multi-beam or girder carrying C3718 over Whetstone Brook in Windham County, Vermont. It was built in 1919, 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 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 300 vehicles a day, projected to reach 500 by 2035. The structure is 55 ft (16.7 m) long and 22 ft wide.

Location

Open in Google Maps
CarriesC3718
CrossesWhetstone Brook
Location0.01 MI N JCT W VT9
CountyWindham County
StateVermont
Coordinates42.86678, -72.61427
Functional classUrban 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating12 US tons
Inventory rating7.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length55 ft (16.7 m)
Longest span53 ft (16.1 m)
Deck width22 ft (6.7 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2024)
Projected traffic500 by 2035
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was C3718 over Whetstone Brook built?

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

What condition is C3718 over Whetstone 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 April 2024.

How much traffic does C3718 over Whetstone Brook carry?

About 300 vehicles per day (2024 count).

How long is C3718 over Whetstone Brook?

The structure is 55 ft (16.7 m) long with a longest span of 53 ft (16.1 m) and a deck 22 ft wide.

Who owns C3718 over Whetstone Brook?

It is owned by the Town or Township Highway Agency.