US Bridges

C3045 over Great Brook

Good

Washington County, Vermont · 0.07 MI to JCT W CL2 TH2 · Structure no. 101210000712101

Built
1956
69 years old, rebuilt 1961
Condition
Good
inspected August 2023
Type
Slab
Prestressed Concrete
Length
33 ft
1 main span
Daily traffic
250
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3045 over Great Brook is a prestressed concrete slab carrying C3045 over Great Brook in Washington County, Vermont. It was built in 1956 and reconstructed in 1961, so it is 69 years old, older than the Vermont average of 60.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 250 vehicles a day, roughly 2% of them trucks, projected to reach 263 by 2029. The structure is 33 ft (10.1 m) long and 24 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesC3045
CrossesGreat Brook
Location0.07 MI to JCT W CL2 TH2
StateVermont
Coordinates44.29993, -72.66846
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length33 ft (10.1 m)
Longest span29 ft (8.8 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2019)
Projected traffic263 by 2029
Trucks2%
Lanes on structure2
Traffic directionTwo-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$325,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3045 over Great Brook built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1961.

What condition is C3045 over Great Brook in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does C3045 over Great Brook carry?

About 250 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3045 over Great Brook?

The structure is 33 ft (10.1 m) long with a longest span of 29 ft (8.8 m) and a deck 24 ft wide.

Who owns C3045 over Great Brook?

It is owned by the Town or Township Highway Agency.