US Bridges

Duck Farm Road over Mill River

Good

Fairfield County, Connecticut · 0.1 MI No of Hunter Road · Structure no. 04953

Built
2023
2 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
81 ft
1 main span
Daily traffic
2,270
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Duck Farm Road over Mill River is a steel stringer/multi-beam or girder carrying Duck Farm Road over Mill River in Fairfield County, Connecticut. It was built in 2023, so it is 2 years old, younger than the Connecticut average of 56.7 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 2,270 vehicles a day, roughly 4% of them trucks, projected to reach 3,373 by 2043. The structure is 81 ft (24.7 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesDuck Farm Road
CrossesMill River
Location0.1 MI No of Hunter Road
RouteCity Street 0
CountyFairfield County
StateConnecticut
Coordinates41.16543, -73.27006
Functional classUrban 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.8 US tons
Inventory rating54.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length81 ft (24.7 m)
Longest span75 ft (22.9 m)
Deck width40 ft (12.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,270 (2023)
Projected traffic3,373 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.2 million (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Duck Farm Road over Mill River built?

It was built in 2023, making it 2 years old in 2025.

What condition is Duck Farm Road over Mill River 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 November 2023.

How much traffic does Duck Farm Road over Mill River carry?

About 2,270 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Duck Farm Road over Mill River?

The structure is 81 ft (24.7 m) long with a longest span of 75 ft (22.9 m) and a deck 40 ft wide.

Who owns Duck Farm Road over Mill River?

It is owned by the Town or Township Highway Agency.