US Bridges

US Route 1 over Farm River

Fair

New Haven County, Connecticut · 0.1 MI S of Route 142 · Structure no. 00339

Built
1938
87 years old, rebuilt 1991
Condition
Fair
inspected November 2024
Type
Channel Beam
Prestressed Concrete
Length
35 ft
1 main span
Daily traffic
25,500
2018 count
Owner
State
State Highway Agency

About this bridge

US Route 1 over Farm River is a prestressed concrete channel beam carrying US Route 1 over Farm River in New Haven County, Connecticut. It was built in 1938 and reconstructed in 1991, so it is 87 years old, older than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 25,500 vehicles a day, roughly 4% of them trucks, projected to reach 37,890 by 2038. The structure is 35 ft (10.7 m) long and 70 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesUS Route 1
CrossesFarm River
Location0.1 MI S of Route 142
RouteU.S. Route 1
CountyNew Haven County
StateConnecticut
Coordinates41.2806, -72.86773
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating46.7 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span32 ft (9.8 m)
Deck width70 ft (21.3 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,500 (2018)
Projected traffic37,890 by 2038
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US Route 1 over Farm River built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1991.

What condition is US Route 1 over Farm 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 November 2024.

How much traffic does US Route 1 over Farm River carry?

About 25,500 vehicles per day (2018 count), of which roughly 4% are trucks.

How long is US Route 1 over Farm River?

The structure is 35 ft (10.7 m) long with a longest span of 32 ft (9.8 m) and a deck 70 ft wide.

Who owns US Route 1 over Farm River?

It is owned by the State Highway Agency.