US Bridges

C3017 over Muddy Brook

Good

Chittenden County, Vermont · 0.7 MI West of TH 3 · Structure no. 100417001204171

Built
2000
25 years old
Condition
Good
inspected September 2023
Type
Slab
Prestressed Concrete
Length
38 ft
1 main span
Daily traffic
1,410
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3017 over Muddy Brook is a prestressed concrete slab carrying C3017 over Muddy Brook in Chittenden County, Vermont. It was built in 2000, so it is 25 years old, younger 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 1,410 vehicles a day, roughly 2% of them trucks, projected to reach 1,481 by 2029. The structure is 38 ft (11.6 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesC3017
CrossesMuddy Brook
Location0.7 MI West of TH 3
StateVermont
Coordinates44.42808, -73.14622
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating38 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length38 ft (11.6 m)
Longest span33 ft (10.1 m)
Deck width30 ft (9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,410 (2019)
Projected traffic1,481 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 C3017 over Muddy Brook built?

It was built in 2000, making it 25 years old in 2025.

What condition is C3017 over Muddy 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 September 2023.

How much traffic does C3017 over Muddy Brook carry?

About 1,410 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3017 over Muddy Brook?

The structure is 38 ft (11.6 m) long with a longest span of 33 ft (10.1 m) and a deck 30 ft wide.

Who owns C3017 over Muddy Brook?

It is owned by the Town or Township Highway Agency.