US Bridges

Shore DR over Grand Canal

Fair

Suffolk County, New York · West of Oakdale · Structure no. 000000003300750

Built
1964
61 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
51 ft
1 main span
Daily traffic
782
2020 count
Owner
County
County Highway Agency

About this bridge

Shore DR over Grand Canal is a steel stringer/multi-beam or girder carrying Shore DR over Grand Canal in Suffolk County, New York. It was built in 1964, so it is 61 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 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 782 vehicles a day, roughly 4% of them trucks, projected to reach 1,095 by 2040. The structure is 51 ft (15.5 m) long and 59 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesShore DR
CrossesGrand Canal
LocationWest of Oakdale
RouteCounty Highway 0
Coordinates40.72844, -73.14892
Functional classUrban Local

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating49.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span50 ft (15.2 m)
Deck width59 ft (18 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic782 (2020)
Projected traffic1,095 by 2040
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed2.5 mi (4 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$4.5 million (2024 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Shore DR over Grand Canal built?

It was built in 1964, making it 61 years old in 2025.

What condition is Shore DR over Grand Canal 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 March 2024.

How much traffic does Shore DR over Grand Canal carry?

About 782 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Shore DR over Grand Canal?

The structure is 51 ft (15.5 m) long with a longest span of 50 ft (15.2 m) and a deck 59 ft wide.

Who owns Shore DR over Grand Canal?

It is owned by the County Highway Agency.