I-75 SB and Ramp
I-75 SB and Ramp in .4 MI.NE Boone Co Line, Kenton County, Kentucky received a condition grade of A (81/100). Built in 2000, the bridge carries 197K vehicles daily on I-75 SB and Ramp over Donaldson RD (Ky 236).
I-75 SB and Ramp carries an A on the BridgeSafety Condition Score with 81/100. Deck, superstructure, and substructure ratings all sit in the better tier of the FHWA NBI distribution. The bridge is structurally sound by federal standards.
The bridge was built in 2000, making it 26 years old — past the early-life period but still well within typical service life. Routine inspections and modest repair work are normal for bridges in this age band. I-75 SB and Ramp carries an average daily traffic count of 196,929 vehicles, with 7 lane(s) crossing Donaldson RD (Ky 236). 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-75 SB and Ramp is a 26-year-old bridge located .4 MI.NE Boone Co Line in Kenton County, Kentucky. The bridge carries I-75 SB and Ramp over Donaldson RD (Ky 236) with 7 traffic lanes, handling approximately 197K vehicles per day. Built in 2000, the structure spans 48.8 meters.
The bridge received a Condition Grade of A (81/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), 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 SB and Ramp has a Condition Score of 81/100 (Grade A). Its deck is rated 7/9, superstructure 8/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
I-75 SB and Ramp was built in 2000, making it 26 years old. The average bridge age in the United States is 48 years.
I-75 SB and Ramp carries approximately 197K vehicles per day (average daily traffic). The bridge has 7 traffic lanes. It is 48.8 meters long and located on I-75 SB and Ramp in .4 MI.NE Boone Co Line, Kenton County, Kentucky.
No, I-75 SB and Ramp 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 SB and Ramp is located .4 MI.NE Boone Co Line in Kenton County, Kentucky. The bridge carries I-75 SB and Ramp over Donaldson RD (Ky 236). Its coordinates are 39.026111, -84.613056. It is maintained by State Highway Agency.
I-75 SB and Ramp carries I-75 SB and Ramp over Donaldson RD (Ky 236). The bridge is 48.8 meters long and was built in 2000.
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.