US Bridges

C3045 over Calendar Brook

PoorClosed to traffic

Caledonia County, Vermont · 0.1 MI JCT TH 45 + TH 1 · Structure no. 100314000403141

Built
1926
99 years old
Condition
Poor
inspected September 2024
Type
Tee Beam
Concrete
Length
44 ft
1 main span
Daily traffic
150
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3045 over Calendar Brook is a concrete tee beam carrying C3045 over Calendar Brook in Caledonia County, Vermont. It was built in 1926, so it is 99 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 2 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 150 vehicles a day, roughly 2% of them trucks, projected to reach 158 by 2029. The structure is 44 ft (13.4 m) long and 20 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesC3045
CrossesCalendar Brook
Location0.1 MI JCT TH 45 + TH 1
StateVermont
Coordinates44.61811, -72.01551
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry0: Immediate repair necessary to put back in service
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

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 10
Structure length44 ft (13.4 m)
Longest span41 ft (12.5 m)
Deck width20 ft (6.2 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2019)
Projected traffic158 by 2029
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$631,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3045 over Calendar Brook built?

It was built in 1926, making it 99 years old in 2025.

What condition is C3045 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 C3045 over Calendar Brook carry?

About 150 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3045 over Calendar Brook?

The structure is 44 ft (13.4 m) long with a longest span of 41 ft (12.5 m) and a deck 20 ft wide.

Who owns C3045 over Calendar Brook?

It is owned by the Town or Township Highway Agency.