US Bridges

C3048 over Calendar Brook

PoorClosed to traffic

Caledonia County, Vermont · 0.05 MI JCT TH 29 + TH 1 · Structure no. 100314000803141

Built
1919
106 years old
Condition
Poor
inspected September 2024
Type
Girder and Floorbeam System
Steel
Length
50 ft
1 main span
Daily traffic
30
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3048 over Calendar Brook is a steel girder and floorbeam system carrying C3048 over Calendar Brook in Caledonia 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 poor condition with a lowest component rating of 0 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 30 vehicles a day, roughly 2% of them trucks, projected to reach 32 by 2029. The structure is 50 ft (15.2 m) long and 12 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesC3048
CrossesCalendar Brook
Location0.05 MI JCT TH 29 + TH 1
StateVermont
Coordinates44.60746, -71.99956
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure0 FailedOut of service and beyond corrective action.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour above top of footing
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy0: Immediate repair necessary to put back in service
Approach roadway alignment8: Equal to present desirable criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span48 ft (14.6 m)
Deck width12 ft (3.7 m)
Roadway width12 ft (3.6 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$472,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3048 over Calendar Brook built?

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

What condition is C3048 over Calendar Brook in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does C3048 over Calendar Brook carry?

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

How long is C3048 over Calendar Brook?

The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.6 m) and a deck 12 ft wide.

Who owns C3048 over Calendar Brook?

It is owned by the Town or Township Highway Agency.