US Bridges

Mill Road over Farm River

Good

New Haven County, Connecticut · 0.8 MI W of Route 22 · Structure no. 04875

Built
1998
27 years old
Condition
Good
inspected November 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
81 ft
1 main span
Daily traffic
2,800
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Mill Road over Farm River is a prestressed concrete box beam or girders - multiple carrying Mill Road over Farm River in New Haven County, Connecticut. It was built in 1998, so it is 27 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 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 2,800 vehicles a day, roughly 7% of them trucks, projected to reach 4,161 by 2040. The structure is 81 ft (24.7 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMill Road
CrossesFarm River
Location0.8 MI W of Route 22
RouteCity Street 0
Coordinates41.33886, -72.81477
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103.3 US tons
Inventory rating61.8 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length81 ft (24.7 m)
Longest span77 ft (23.5 m)
Deck width37 ft (11.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,800 (2020)
Projected traffic4,161 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Mill Road over Farm River built?

It was built in 1998, making it 27 years old in 2025.

What condition is Mill Road over Farm 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 2021.

How much traffic does Mill Road over Farm River carry?

About 2,800 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is Mill Road over Farm River?

The structure is 81 ft (24.7 m) long with a longest span of 77 ft (23.5 m) and a deck 37 ft wide.

Who owns Mill Road over Farm River?

It is owned by the Town or Township Highway Agency.