RTE I678
RTE I678 in JCT I495 & I678, Queens County, New York received a condition grade of A (85/100). Built in 2009, the bridge carries 127K vehicles daily on RTE I678 over 25ax Flushing Bay Prome.
RTE I678 carries an A on the BridgeSafety Condition Score with 85/100. Deck, superstructure, and substructure ratings all sit in the better tier of the FHWA NBI distribution. The bridge is structurally sound by federal standards.
The bridge was built in 2009 and is 17 years old — relatively young against the U.S. bridge stock. Modern bridges built to current FHWA standards generally outperform older structures on condition ratings. RTE I678 carries an average daily traffic count of 127,491 vehicles, with 2 lane(s) crossing 25ax Flushing Bay Prome. The owning agency is State Highway Agency; bridge inspection records flow into the federal NBI database annually.
Component Ratings
The riding surface, evaluated for cracking, spalling, and wear
Beams, girders, and trusses that support the deck
Piers, abutments, and foundations below the deck
Bridge Details
About This Bridge
RTE I678 is a 17-year-old bridge located JCT I495 & I678 in Queens County, New York. The bridge carries RTE I678 over 25ax Flushing Bay Prome with 2 traffic lanes, handling approximately 127K vehicles per day. Built in 2009, the structure spans 911.4 meters.
The bridge received a Condition Grade of A (85/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 9/9 (good), and substructure 7/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
RTE I678 has a Condition Score of 85/100 (Grade A). Its deck is rated 7/9, superstructure 9/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
RTE I678 was built in 2009, making it 17 years old. The average bridge age in the United States is 48 years.
RTE I678 carries approximately 127K vehicles per day (average daily traffic). The bridge has 2 traffic lanes. It is 911.4 meters long and located on RTE I678 in JCT I495 & I678, Queens County, New York.
No, RTE I678 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
RTE I678 is located JCT I495 & I678 in Queens County, New York. The bridge carries RTE I678 over 25ax Flushing Bay Prome. Its coordinates are 40.762489, -73.839375. It is maintained by State Highway Agency.
RTE I678 carries RTE I678 over 25ax Flushing Bay Prome. The bridge is 911.4 meters long and was built in 2009.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.
Source: FHWA National Bridge Inventory, 2026.