I-65 NB OFF RAMP
I-65 NB OFF RAMP in At Woodbine ST, Jefferson County, Kentucky received a condition grade of C (50/100). Built in 1957, the bridge carries 123K vehicles daily on I-65 NB OFF RAMP over I-65 SB On Ramp.
I-65 NB OFF RAMP carries a C on the BridgeSafety Condition Score with 50/100. Component ratings sit in the middle of the FHWA NBI distribution; rehabilitation programming is likely on the owning agency’s medium-term horizon.
The bridge was built in 1957 and is now 69 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-65 NB OFF RAMP carries an average daily traffic count of 122,766 vehicles, with 1 lane(s) crossing I-65 SB On Ramp. 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-65 NB OFF RAMP is a 69-year-old bridge located At Woodbine ST in Jefferson County, Kentucky. The bridge carries I-65 NB OFF RAMP over I-65 SB On Ramp with 1 traffic lane, handling approximately 123K vehicles per day. Built in 1957, the structure spans 42.5 meters.
The bridge received a Condition Grade of C (50/100) based on Federal Highway Administration inspection data. Its deck is rated 5/9 (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-65 NB OFF RAMP has a Condition Score of 50/100 (Grade C). Its deck is rated 5/9, superstructure 5/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.
I-65 NB OFF RAMP was built in 1957, making it 69 years old. The average bridge age in the United States is 48 years.
I-65 NB OFF RAMP carries approximately 123K vehicles per day (average daily traffic). The bridge has 1 traffic lane. It is 42.5 meters long and located on I-65 NB OFF RAMP in At Woodbine ST, Jefferson County, Kentucky.
No, I-65 NB OFF 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-65 NB OFF RAMP is located At Woodbine ST in Jefferson County, Kentucky. The bridge carries I-65 NB OFF RAMP over I-65 SB On Ramp. Its coordinates are 38.228056, -85.751111. It is maintained by State Highway Agency.
I-65 NB OFF RAMP carries I-65 NB OFF RAMP over I-65 SB On Ramp. The bridge is 42.5 meters long and was built in 1957.
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.