RTE I278
RTE I278 in JCT Prospect Expy & I278, Kings County, New York received a condition grade of B (64/100). Built in 1963, the bridge carries 126K vehicles daily on RTE I278 over Hamilton Avenue.
RTE I278 carries a B on the BridgeSafety Condition Score with 64/100. Most component ratings are solid; one or two may show wear consistent with the structure’s age, but the bridge is not flagged as structurally deficient.
The bridge was built in 1963 and is now 63 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 126,248 vehicles, with 1 lane(s) crossing Hamilton Avenue. 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 I278 is a 63-year-old bridge located JCT Prospect Expy & I278 in Kings County, New York. The bridge carries RTE I278 over Hamilton Avenue with 1 traffic lane, handling approximately 126K vehicles per day. Built in 1963 and reconstructed in 2013, the structure spans 98.8 meters.
The bridge received a Condition Grade of B (64/100) based on Federal Highway Administration inspection data. Its deck is rated 9/9 (good), superstructure 5/9 (fair), and substructure 5/9 (fair).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
RTE I278 has a Condition Score of 64/100 (Grade B). Its deck is rated 9/9, superstructure 5/9, and substructure 5/9 on the NBI scale. The bridge is not classified as structurally deficient.
RTE I278 was built in 1963 and reconstructed in 2013, making it 63 years old. The average bridge age in the United States is 48 years.
RTE I278 carries approximately 126K vehicles per day (average daily traffic). The bridge has 1 traffic lane. It is 98.8 meters long and located on RTE I278 in JCT Prospect Expy & I278, 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 JCT Prospect Expy & I278 in Kings County, New York. The bridge carries RTE I278 over Hamilton Avenue. Its coordinates are 40.667653, -73.996308. It is maintained by State Highway Agency.
RTE I278 carries RTE I278 over Hamilton Avenue. The bridge is 98.8 meters long and was built in 1963, with reconstruction in 2013.
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.