US Bridges

C3017 over Williams River

Fair

Windsor County, Vermont · 0.02 MI to JCT W VT103 · Structure no. 101407007514071

Built
1930
95 years old, rebuilt 1968
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
63 ft
2 main spans
Daily traffic
35
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3017 over Williams River is a steel stringer/multi-beam or girder carrying C3017 over Williams River in Windsor County, Vermont. It was built in 1930 and reconstructed in 1968, so it is 95 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 35 vehicles a day, roughly 2% of them trucks, projected to reach 37 by 2029. The structure is 63 ft (19.2 m) long and 16 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesC3017
CrossesWilliams River
Location0.02 MI to JCT W VT103
CountyWindsor County
StateVermont
Coordinates43.29766, -72.60499
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans2
Design loadUnknown
Structure length63 ft (19.2 m)
Longest span29 ft (8.8 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2019)
Projected traffic37 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$407,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3017 over Williams River built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1968.

What condition is C3017 over Williams 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 C3017 over Williams River carry?

About 35 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3017 over Williams River?

The structure is 63 ft (19.2 m) long with a longest span of 29 ft (8.8 m) and a deck 16 ft wide.

Who owns C3017 over Williams River?

It is owned by the Town or Township Highway Agency.