US Bridges

Center Drive over Peconic River

Fair

Suffolk County, New York · At Riverhead · Structure no. 000000003300689

Built
1957
68 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Concrete
Length
43 ft
1 main span
Daily traffic
19,066
2020 count
Owner
County
County Highway Agency

About this bridge

Center Drive over Peconic River is a concrete tee beam carrying Center Drive over Peconic River in Suffolk County, New York. It was built in 1957, so it is 68 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 19,066 vehicles a day, roughly 5% of them trucks, projected to reach 23,161 by 2041. The structure is 43 ft (13.1 m) long and 70 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCenter Drive
CrossesPeconic River
LocationAt Riverhead
RouteCounty Highway 0
Coordinates40.91766, -72.6691
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating53 US tons
Inventory rating32 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span40 ft (12.1 m)
Deck width70 ft (21.3 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,066 (2020)
Projected traffic23,161 by 2041
Trucks5%
Lanes on structure4
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$2.7 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Center Drive over Peconic River built?

It was built in 1957, making it 68 years old in 2025.

What condition is Center Drive over Peconic 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 April 2024.

How much traffic does Center Drive over Peconic River carry?

About 19,066 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Center Drive over Peconic River?

The structure is 43 ft (13.1 m) long with a longest span of 40 ft (12.1 m) and a deck 70 ft wide.

Who owns Center Drive over Peconic River?

It is owned by the County Highway Agency.