US Bridges

Roe Blvd over Patchogue Lake

Fair

Suffolk County, New York · At Patchogue · Structure no. 000000002261610

Built
1920
105 years old
Condition
Fair
inspected April 2024
Type
Arch - Deck
Concrete
Length
26 ft
1 main span
Daily traffic
6,420
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Roe Blvd over Patchogue Lake is a concrete arch - deck carrying Roe Blvd over Patchogue Lake in Suffolk County, New York. It was built in 1920, so it is 105 years old, older than the New York average of 53 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 6,420 vehicles a day, roughly 3% of them trucks, projected to reach 7,943 by 2041. The structure is 26 ft (7.9 m) long and 46 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRoe Blvd
CrossesPatchogue Lake
LocationAt Patchogue
Coordinates40.77463, -73.02297
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.9 US tons
Inventory rating15.7 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width46 ft (13.9 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,420 (2020)
Projected traffic7,943 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$831,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Roe Blvd over Patchogue Lake built?

It was built in 1920, making it 105 years old in 2025.

What condition is Roe Blvd over Patchogue Lake 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 April 2024.

How much traffic does Roe Blvd over Patchogue Lake carry?

About 6,420 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is Roe Blvd over Patchogue Lake?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 46 ft wide.

Who owns Roe Blvd over Patchogue Lake?

It is owned by the Town or Township Highway Agency.