US Bridges

RTE I678 over Service RD U-Turn S/B 6

Fair

Queens County, New York · Whitestone Expressway NB · Structure no. 000000001065182

Built
1984
41 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
556 ft
9 main spans
Daily traffic
91,794
2021 count
Owner
State
State Highway Agency

About this bridge

RTE I678 over Service RD U-Turn S/B 6 is a prestressed concrete box beam or girders - multiple carrying RTE I678 over Service RD U-Turn S/B 6 in Queens County, New York. It was built in 1984, so it is 41 years old, younger 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 91,794 vehicles a day, roughly 5% of them trucks, projected to reach 117,293 by 2041. The structure is 556 ft (169.5 m) long and 67 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE I678
CrossesService RD U-Turn S/B 6
LocationWhitestone Expressway NB
RouteInterstate 678
Coordinates40.77126, -73.83334
Functional classUrban Principal Arterial - Interstate

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94 US tons
Inventory rating63.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length556 ft (169.5 m)
Longest span65 ft (19.8 m)
Deck width67 ft (20.4 m)
Roadway width63 ft (19.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic91,794 (2021)
Projected traffic117,293 by 2041
Trucks5%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$25.5 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I678 over Service RD U-Turn S/B 6 built?

It was built in 1984, making it 41 years old in 2025.

What condition is RTE I678 over Service RD U-Turn S/B 6 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 2024.

How much traffic does RTE I678 over Service RD U-Turn S/B 6 carry?

About 91,794 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is RTE I678 over Service RD U-Turn S/B 6?

The structure is 556 ft (169.5 m) long with a longest span of 65 ft (19.8 m) and a deck 67 ft wide.

Who owns RTE I678 over Service RD U-Turn S/B 6?

It is owned by the State Highway Agency.