I-75
I-75 in I75 Rmp To US 42, Boone County, Kentucky received a condition grade of B (78/100). Built in 1990, the bridge carries 140K vehicles daily on I-75 over Ky 18 Ramp.
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-75 is a 36-year-old bridge located I75 Rmp To US 42 in Boone County, Kentucky. The bridge carries I-75 over Ky 18 Ramp with 2 traffic lanes, handling approximately 140K vehicles per day. Built in 1990, the structure spans 36 meters.
The bridge received a Condition Grade of B (78/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 8/9 (good), and substructure 7/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I-75 has a Condition Score of 78/100 (Grade B). Its deck is rated 6/9, superstructure 8/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
I-75 was built in 1990, making it 36 years old. The average bridge age in the United States is 48 years.
I-75 carries approximately 140K vehicles per day (average daily traffic). The bridge has 2 traffic lanes. It is 36 meters long and located on I-75 in I75 Rmp To US 42, Boone County, Kentucky.
No, I-75 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-75 is located I75 Rmp To US 42 in Boone County, Kentucky. The bridge carries I-75 over Ky 18 Ramp. Its coordinates are 38.986111, -84.642778. It is maintained by State Highway Agency.
I-75 carries I-75 over Ky 18 Ramp. The bridge is 36 meters long and was built in 1990.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.