US Bridges

RTE I678 over 25AX Flushing Bay Prome

Good

Queens County, New York · JCT I495 & I678 · Structure no. 00000000105578J

Built
2009
16 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Steel
Length
2,990 ft
18 main spans
Daily traffic
127,491
2021 count
Owner
State
State Highway Agency

About this bridge

RTE I678 over 25AX Flushing Bay Prome is a steel box beam or girders - multiple carrying RTE I678 over 25AX Flushing Bay Prome in Queens County, New York. It was built in 2009, so it is 16 years old, younger than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 127,491 vehicles a day, roughly 11% of them trucks, projected to reach 162,907 by 2041. The structure is 2,990 ft (911.4 m) long and 42 ft wide.

CarriesRTE I678
Crosses25AX Flushing Bay Prome
LocationJCT I495 & I678
RouteInterstate 678
Coordinates40.76249, -73.83937
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating42 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans18
Design loadHS 25 or greater
Structure length2,990 ft (911.4 m)
Longest span306 ft (93.4 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic127,491 (2021)
Projected traffic162,907 by 2041
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed—
TollOn a free 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$81.9 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I678 over 25AX Flushing Bay Prome built?

It was built in 2009, making it 16 years old in 2025.

What condition is RTE I678 over 25AX Flushing Bay Prome in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does RTE I678 over 25AX Flushing Bay Prome carry?

About 127,491 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is RTE I678 over 25AX Flushing Bay Prome?

The structure is 2,990 ft (911.4 m) long with a longest span of 306 ft (93.4 m) and a deck 42 ft wide.

Who owns RTE I678 over 25AX Flushing Bay Prome?

It is owned by the State Highway Agency.