US Bridges

RTE I678 over Flushing River

Fair

Queens County, New York · 1 MI S JCT I678 & I495 · Structure no. 00000000105577B

Built
1963
62 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
539 ft
5 main spans
Daily traffic
3,605
2020 count
Owner
State
State Highway Agency

About this bridge

RTE I678 over Flushing River is a steel stringer/multi-beam or girder carrying RTE I678 over Flushing River in Queens County, New York. It was built in 1963, so it is 62 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 3,605 vehicles a day, roughly 7% of them trucks, projected to reach 4,606 by 2041. The structure is 539 ft (164.3 m) long and 26 ft wide.

Location

Open in Google Maps
CarriesRTE I678
CrossesFlushing River
Location1 MI S JCT I678 & I495
RouteInterstate 678
CountyQueens County
StateNew York
Coordinates40.72743, -73.83303
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment7: Better than present minimum criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5 (+14 approach)
Design loadHS 20
Structure length539 ft (164.3 m)
Longest span79 ft (24 m)
Deck width26 ft (7.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,605 (2020)
Projected traffic4,606 by 2041
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$10.5 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I678 over Flushing River built?

It was built in 1963, making it 62 years old in 2025.

What condition is RTE I678 over Flushing 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 May 2023.

How much traffic does RTE I678 over Flushing River carry?

About 3,605 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is RTE I678 over Flushing River?

The structure is 539 ft (164.3 m) long with a longest span of 79 ft (24 m) and a deck 26 ft wide.

Who owns RTE I678 over Flushing River?

It is owned by the State Highway Agency.