RTE I278
RTE I278 in .6 MI SE I278+Bklyn BR, Kings County, New York received a condition grade of C (57/100). Built in 1956, the bridge carries 129K vehicles daily on RTE I278 over Nassau Street Concord S.
RTE I278 carries a C on the BridgeSafety Condition Score with 57/100. 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 1956 and is now 70 years old, at or past the typical 50-year design life for bridges of its vintage. Maintenance and inspection cycles are correspondingly more involved than for newer structures. RTE I278 carries an average daily traffic count of 129,323 vehicles, with 5 lane(s) crossing Nassau Street Concord S. 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 I278 is a 70-year-old bridge located .6 MI SE I278+Bklyn BR in Kings County, New York. The bridge carries RTE I278 over Nassau Street Concord S with 5 traffic lanes, handling approximately 129K vehicles per day. Built in 1956 and reconstructed in 2008, the structure spans 207.9 meters.
The bridge received a Condition Grade of C (57/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 6/9 (fair), and substructure 6/9 (fair).
This bridge is owned and maintained by City/Municipal.
Location Map
Frequently Asked Questions
RTE I278 has a Condition Score of 57/100 (Grade C). Its deck is rated 6/9, superstructure 6/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.
RTE I278 was built in 1956 and reconstructed in 2008, making it 70 years old. The average bridge age in the United States is 48 years.
RTE I278 carries approximately 129K vehicles per day (average daily traffic). The bridge has 5 traffic lanes. It is 207.9 meters long and located on RTE I278 in .6 MI SE I278+Bklyn BR, Kings County, New York.
No, RTE I278 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 I278 is located .6 MI SE I278+Bklyn BR in Kings County, New York. The bridge carries RTE I278 over Nassau Street Concord S. Its coordinates are 40.698372, -73.982969. It is maintained by City/Municipal.
RTE I278 carries RTE I278 over Nassau Street Concord S. The bridge is 207.9 meters long and was built in 1956, with reconstruction in 2008.
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.