US Bridges

C3004 over Brush Brook

Fair

Chittenden County, Vermont · 0.39 MI to JCT W CL2 TH1 · Structure no. 100408004104081

Built
1976
49 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
63 ft
1 main span
Daily traffic
350
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3004 over Brush Brook is a steel stringer/multi-beam or girder carrying C3004 over Brush Brook in Chittenden County, Vermont. It was built in 1976, so it is 49 years old, younger 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 350 vehicles a day, roughly 2% of them trucks, projected to reach 368 by 2029. The structure is 63 ft (19.2 m) long and 15 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesC3004
CrossesBrush Brook
Location0.39 MI to JCT W CL2 TH1
CountyChittenden County
StateVermont
Coordinates44.29915, -72.95861
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating92 US tons
Inventory rating55 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length63 ft (19.2 m)
Longest span61 ft (18.6 m)
Deck width15 ft (4.7 m)
Roadway width13 ft (4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2019)
Projected traffic368 by 2029
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was C3004 over Brush Brook built?

It was built in 1976, making it 49 years old in 2025.

What condition is C3004 over Brush 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 October 2023.

How much traffic does C3004 over Brush Brook carry?

About 350 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3004 over Brush Brook?

The structure is 63 ft (19.2 m) long with a longest span of 61 ft (18.6 m) and a deck 15 ft wide.

Who owns C3004 over Brush Brook?

It is owned by the Town or Township Highway Agency.