US Bridges

C3009 over Browns River

Fair

Chittenden County, Vermont · 0.2 MI to JCT W VT15 · Structure no. 100409003704091

Built
1964
61 years old
Condition
Fair
inspected October 2023
Type
Girder and Floorbeam System
Steel
Length
101 ft
1 main span
Daily traffic
500
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3009 over Browns River is a steel girder and floorbeam system carrying C3009 over Browns River in Chittenden County, Vermont. It was built in 1964, so it is 61 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 5 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 500 vehicles a day, roughly 2% of them trucks, projected to reach 525 by 2029. The structure is 101 ft (30.8 m) long and 17 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesC3009
CrossesBrowns River
Location0.2 MI to JCT W VT15
CountyChittenden County
StateVermont
Coordinates44.51181, -72.9865
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating73 US tons
Inventory rating33 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length101 ft (30.8 m)
Longest span96 ft (29.3 m)
Deck width17 ft (5.2 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2019)
Projected traffic525 by 2029
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$655,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C3009 over Browns River built?

It was built in 1964, making it 61 years old in 2025.

What condition is C3009 over Browns River 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 C3009 over Browns River carry?

About 500 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3009 over Browns River?

The structure is 101 ft (30.8 m) long with a longest span of 96 ft (29.3 m) and a deck 17 ft wide.

Who owns C3009 over Browns River?

It is owned by the Town or Township Highway Agency.