US Bridges

C3017 over Broad Brook

FairPosted for load

Windham County, Vermont · 0.6 MI to JCT W CL2 TH1 · Structure no. 101307006013071

Built
1920
105 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
30
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3017 over Broad Brook is a steel stringer/multi-beam or girder carrying C3017 over Broad Brook in Windham County, Vermont. It was built in 1920, so it is 105 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. Its operating status is: posted for load restriction.

It carries about 30 vehicles a day, roughly 2% of them trucks, projected to reach 32 by 2029. The structure is 36 ft (11 m) long and 14 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesC3017
CrossesBroad Brook
Location0.6 MI to JCT W CL2 TH1
CountyWindham County
StateVermont
Coordinates42.80912, -72.61036
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.
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating20 US tons
Inventory rating15 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadH 10
Structure length36 ft (11 m)
Longest span32 ft (9.8 m)
Deck width14 ft (4.3 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2019)
Projected traffic32 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$424,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3017 over Broad Brook built?

It was built in 1920, making it 105 years old in 2025.

What condition is C3017 over Broad 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 July 2024.

How much traffic does C3017 over Broad Brook carry?

About 30 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3017 over Broad Brook?

The structure is 36 ft (11 m) long with a longest span of 32 ft (9.8 m) and a deck 14 ft wide.

Who owns C3017 over Broad Brook?

It is owned by the Town or Township Highway Agency.