US Bridges

US Route 1 over Patchogue River

Fair

Middlesex County, Connecticut · 1.1 MI S of Route 153 · Structure no. 00349

Built
1925
100 years old, rebuilt 2004
Condition
Fair
inspected August 2023
Type
Truss - Thru
Steel
Length
127 ft
1 main span
Daily traffic
7,400
2022 count
Owner
State
State Highway Agency

About this bridge

US Route 1 over Patchogue River is a steel truss - thru carrying US Route 1 over Patchogue River in Middlesex County, Connecticut. It was built in 1925 and reconstructed in 2004, so it is 100 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 5 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 7,400 vehicles a day, roughly 5% of them trucks, projected to reach 10,996 by 2042. The structure is 127 ft (38.7 m) long and 37 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesUS Route 1
CrossesPatchogue River
Location1.1 MI S of Route 153
RouteU.S. Route 1
Coordinates41.27788, -72.46756
Functional classUrban Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.5 US tons
Inventory rating33.6 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckOpen grating
Main spans1
Design loadHS 20
Structure length127 ft (38.7 m)
Longest span120 ft (36.6 m)
Deck width37 ft (11.4 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deck18 ft (5.5 m)

Traffic and service

Average daily traffic7,400 (2022)
Projected traffic10,996 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US Route 1 over Patchogue River built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 2004.

What condition is US Route 1 over Patchogue 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 August 2023.

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

About 7,400 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is US Route 1 over Patchogue River?

The structure is 127 ft (38.7 m) long with a longest span of 120 ft (36.6 m) and a deck 37 ft wide.

Who owns US Route 1 over Patchogue River?

It is owned by the State Highway Agency.