I-64
I-64 in 1.0 MI E Of US 31w, Jefferson County, Kentucky received a condition grade of C (54/100). Built in 1965, the bridge carries 144K vehicles daily on I-64 over Ky 3077 (River RD). It is classified as structurally deficient.
I-64 carries a C on the BridgeSafety Condition Score with 54/100. 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 1965 and is now 61 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-64 carries an average daily traffic count of 144,000 vehicles, with 6 lane(s) crossing Ky 3077 (River RD). 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-64 is a 61-year-old bridge located 1.0 MI E Of US 31w in Jefferson County, Kentucky. The bridge carries I-64 over Ky 3077 (River RD) with 6 traffic lanes, handling approximately 144K vehicles per day. Built in 1965, the structure spans 631.8 meters.
The bridge received a Condition Grade of C (54/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 4/9 (poor), and substructure 6/9 (fair). The bridge is classified as structurally deficient, meaning at least one major component is rated 4 or below, this signals a need for repair or replacement but does not necessarily indicate an immediate safety hazard.
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I-64 has a Condition Score of 54/100 (Grade C). Its deck is rated 6/9, superstructure 4/9, and substructure 6/9 on the NBI scale. The bridge is classified as structurally deficient.
I-64 was built in 1965, making it 61 years old. The average bridge age in the United States is 48 years.
I-64 carries approximately 144K vehicles per day (average daily traffic). The bridge has 6 traffic lanes. It is 631.8 meters long and located on I-64 in 1.0 MI E Of US 31w, Jefferson County, Kentucky.
Yes, I-64 is classified as structurally deficient because at least one of its primary components (deck, superstructure, or substructure) is rated 4 or below on the 0-9 NBI scale. This does not necessarily mean it is unsafe, but it requires significant repair or replacement.
I-64 is located 1.0 MI E Of US 31w in Jefferson County, Kentucky. The bridge carries I-64 over Ky 3077 (River RD). Its coordinates are 38.258889, -85.748889. It is maintained by State Highway Agency.
I-64 carries I-64 over Ky 3077 (River RD). The bridge is 631.8 meters long and was built in 1965.
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.