US Bridges

C3004 over Cook Brook

Fair

Orleans County, Vermont · 0.18 MI to JCT W VT105 · Structure no. 101012000110121

Built
1931
94 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete
Length
49 ft
1 main span
Daily traffic
80
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3004 over Cook Brook is a concrete tee beam carrying C3004 over Cook Brook in Orleans County, Vermont. It was built in 1931, so it is 94 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 80 vehicles a day, roughly 2% of them trucks, projected to reach 84 by 2029. The structure is 49 ft (14.9 m) long and 21 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesC3004
CrossesCook Brook
Location0.18 MI to JCT W VT105
StateVermont
Coordinates44.96277, -72.43174
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating69 US tons
Inventory rating41 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length49 ft (14.9 m)
Longest span45 ft (13.7 m)
Deck width21 ft (6.5 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2019)
Projected traffic84 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was C3004 over Cook Brook built?

It was built in 1931, making it 94 years old in 2025.

What condition is C3004 over Cook 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 August 2023.

How much traffic does C3004 over Cook Brook carry?

About 80 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3004 over Cook Brook?

The structure is 49 ft (14.9 m) long with a longest span of 45 ft (13.7 m) and a deck 21 ft wide.

Who owns C3004 over Cook Brook?

It is owned by the Town or Township Highway Agency.