US Bridges

C3122 over Seavers Brook

Fair

Windsor County, Vermont · 0.4 MI to JCT W VT11 · Structure no. 101418004414181

Built
1936
89 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
300
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3122 over Seavers Brook is a steel stringer/multi-beam or girder carrying C3122 over Seavers Brook in Windsor County, Vermont. It was built in 1936, so it is 89 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 6 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, roughly 2% of them trucks, projected to reach 315 by 2029. The structure is 25 ft (7.6 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesC3122
CrossesSeavers Brook
Location0.4 MI to JCT W VT11
CountyWindsor County
StateVermont
Coordinates43.27284, -72.46989
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31 US tons
Inventory rating18 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span21 ft (6.4 m)
Deck width20 ft (6.2 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2019)
Projected traffic315 by 2029
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$227,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3122 over Seavers Brook built?

It was built in 1936, making it 89 years old in 2025.

What condition is C3122 over Seavers 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 November 2023.

How much traffic does C3122 over Seavers Brook carry?

About 300 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3122 over Seavers Brook?

The structure is 25 ft (7.6 m) long with a longest span of 21 ft (6.4 m) and a deck 20 ft wide.

Who owns C3122 over Seavers Brook?

It is owned by the Town or Township Highway Agency.