RTE I678
RTE I678 in 2.1 MI NE JCT I678 & Sh 2, Queens County, New York received a condition grade of C (44/100). Built in 1939, the bridge carries 184K vehicles daily on RTE I678 over 907a907ax5m21189 Rte 90.
RTE I678 carries a C on the BridgeSafety Condition Score with 44/100. Component ratings sit in the middle of the FHWA NBI distribution; rehabilitation programming is likely on the owning agency’s medium-term horizon.
The bridge was built in 1939, making it 87 years old — well beyond the typical 50-year design life of bridges constructed in that era. Bridges of this vintage usually need substantial rehabilitation or replacement once their original components have aged out, regardless of current condition ratings. RTE I678 carries an average daily traffic count of 183,587 vehicles, with 2 lane(s) crossing 907a907ax5m21189 Rte 90. The owning agency is City/Municipal; 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 87-year-old bridge located 2.1 MI NE JCT I678 & Sh 2 in Queens County, New York. The bridge carries RTE I678 over 907a907ax5m21189 Rte 90 with 2 traffic lanes, handling approximately 184K vehicles per day. Built in 1939, the structure spans 24.4 meters.
The bridge received a Condition Grade of C (44/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 6/9 (fair), and substructure 5/9 (fair).
This bridge is owned and maintained by City/Municipal.
Location Map
Frequently Asked Questions
RTE I678 has a Condition Score of 44/100 (Grade C). Its deck is rated 6/9, superstructure 6/9, and substructure 5/9 on the NBI scale. The bridge is not classified as structurally deficient.
RTE I678 was built in 1939, making it 87 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 24.4 meters long and located on RTE I678 in 2.1 MI NE JCT I678 & Sh 2, 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 2.1 MI NE JCT I678 & Sh 2 in Queens County, New York. The bridge carries RTE I678 over 907a907ax5m21189 Rte 90. Its coordinates are 40.789503, -73.822478. It is maintained by City/Municipal.
RTE I678 carries RTE I678 over 907a907ax5m21189 Rte 90. The bridge is 24.4 meters long and was built in 1939.
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.