I-75 S RAMP
I-75 S RAMP in WB I275 To SB I75 Rmp-Lvl, Kenton County, Kentucky received a condition grade of B (61/100). Built in 1971, the bridge carries 197K vehicles daily on I-75 S RAMP over I275-I75-G&D Ramps.
I-75 S RAMP carries a B on the BridgeSafety Condition Score with 61/100. 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 1971 and is now 55 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-75 S RAMP carries an average daily traffic count of 196,929 vehicles, with 2 lane(s) crossing I275-I75-G&D Ramps. 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 S RAMP is a 55-year-old bridge located WB I275 To SB I75 Rmp-Lvl in Kenton County, Kentucky. The bridge carries I-75 S RAMP over I275-I75-G&D Ramps with 2 traffic lanes, handling approximately 197K vehicles per day. Built in 1971, the structure spans 245.9 meters.
The bridge received a Condition Grade of B (61/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 5/9 (fair), and substructure 6/9 (fair).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I-75 S RAMP has a Condition Score of 61/100 (Grade B). Its deck is rated 6/9, superstructure 5/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.
I-75 S RAMP was built in 1971, making it 55 years old. The average bridge age in the United States is 48 years.
I-75 S RAMP carries approximately 197K vehicles per day (average daily traffic). The bridge has 2 traffic lanes. It is 245.9 meters long and located on I-75 S RAMP in WB I275 To SB I75 Rmp-Lvl, Kenton County, Kentucky.
No, I-75 S 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 S RAMP is located WB I275 To SB I75 Rmp-Lvl in Kenton County, Kentucky. The bridge carries I-75 S RAMP over I275-I75-G&D Ramps. Its coordinates are 39.034722, -84.599722. It is maintained by State Highway Agency.
I-75 S RAMP carries I-75 S RAMP over I275-I75-G&D Ramps. The bridge is 245.9 meters long and was built in 1971.
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.