US Bridges

City Marshall over Muddy Brook

Good

Chittenden County, Vermont · Marshall Ave · Structure no. 205505001604172

Built
2021
4 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
38 ft
1 main span
Daily traffic
7,500
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

City Marshall over Muddy Brook is a concrete culvert carrying City Marshall over Muddy Brook in Chittenden County, Vermont. It was built in 2021, so it is 4 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,500 vehicles a day, roughly 5% of them trucks, projected to reach 10,500 by 2040. The structure is 38 ft (11.6 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCity Marshall
CrossesMuddy Brook
LocationMarshall Ave
RouteCity Street MARSH
CountyChittenden County
StateVermont
Coordinates44.45315, -73.13858
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length38 ft (11.6 m)
Longest span36 ft (11 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,500 (2020)
Projected traffic10,500 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.6 million (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was City Marshall over Muddy Brook built?

It was built in 2021, making it 4 years old in 2025.

What condition is City Marshall 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 October 2024.

How much traffic does City Marshall over Muddy Brook carry?

About 7,500 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is City Marshall over Muddy Brook?

The structure is 38 ft (11.6 m) long with a longest span of 36 ft (11 m) and a deck 30 ft wide.

Who owns City Marshall over Muddy Brook?

It is owned by the City or Municipal Highway Agency.