RTE I678
RTE I678 in JCT Gcp+I678, Queens County, New York received a condition grade of C (49/100). Built in 1963, the bridge carries 184K vehicles daily on RTE I678 over Flushing Bay Promenade. It is classified as structurally deficient.
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 63-year-old bridge located JCT Gcp+I678 in Queens County, New York. The bridge carries RTE I678 over Flushing Bay Promenade with 2 traffic lanes, handling approximately 184K vehicles per day. Built in 1963 and reconstructed in 2010, the structure spans 1662.4 meters.
The bridge received a Condition Grade of C (49/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 4/9 (poor), and substructure 5/9 (fair). The bridge is classified as structurally deficient, meaning at least one major component is rated 4 or below — this signals a need for repair or replacement but does not necessarily indicate an immediate safety hazard.
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
RTE I678 has a Condition Score of 49/100 (Grade C). Its deck is rated 6/9, superstructure 4/9, and substructure 5/9 on the NBI scale. The bridge is classified as structurally deficient.
RTE I678 was built in 1963 and reconstructed in 2010, making it 63 years old. The average bridge age in the United States is 48 years.
RTE I678 carries approximately 184K vehicles per day (average daily traffic). The bridge has 2 traffic lanes. It is 1662.4 meters long and located on RTE I678 in JCT Gcp+I678, Queens County, New York.
Yes, RTE I678 is classified as structurally deficient because at least one of its primary components (deck, superstructure, or substructure) is rated 4 or below on the 0-9 NBI scale. This does not necessarily mean it is unsafe, but it requires significant repair or replacement.
RTE I678 is located JCT Gcp+I678 in Queens County, New York. The bridge carries RTE I678 over Flushing Bay Promenade. Its coordinates are 40.758289, -73.850478. It is maintained by State Highway Agency.
RTE I678 carries RTE I678 over Flushing Bay Promenade. The bridge is 1662.4 meters long and was built in 1963, with reconstruction in 2010.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.