I-287
I-287 in 0.6 MI South Of Nj 28, Somerset County, New Jersey received a condition grade of B (66/100). Built in 1960, the bridge carries 138K vehicles daily on I-287 over Main ST (CR 533).
I-287 carries a B on the BridgeSafety Condition Score with 66/100. 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 1960 and is now 66 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. I-287 carries an average daily traffic count of 138,097 vehicles, with 6 lane(s) crossing Main ST (CR 533). 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
I-287 is a 66-year-old bridge located 0.6 MI South Of Nj 28 in Somerset County, New Jersey. The bridge carries I-287 over Main ST (CR 533) with 6 traffic lanes, handling approximately 138K vehicles per day. Built in 1960 and reconstructed in 1986, the structure spans 66.4 meters.
The bridge received a Condition Grade of B (66/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 7/9 (good), and substructure 7/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I-287 has a Condition Score of 66/100 (Grade B). Its deck is rated 6/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
I-287 was built in 1960 and reconstructed in 1986, making it 66 years old. The average bridge age in the United States is 48 years.
I-287 carries approximately 138K vehicles per day (average daily traffic). The bridge has 6 traffic lanes. It is 66.4 meters long and located on I-287 in 0.6 MI South Of Nj 28, Somerset County, New Jersey.
No, I-287 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
I-287 is located 0.6 MI South Of Nj 28 in Somerset County, New Jersey. The bridge carries I-287 over Main ST (CR 533). Its coordinates are 40.560939, -74.549411. It is maintained by State Highway Agency.
I-287 carries I-287 over Main ST (CR 533). The bridge is 66.4 meters long and was built in 1960, with reconstruction in 1986.
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.