I - 65
I - 65 in I65 * 6th AVE. South, Jefferson County, Alabama received a condition grade of B (60/100). Built in 1970, the bridge carries 138K vehicles daily on I - 65 over 6th AVE. South.
I - 65 carries a B on the BridgeSafety Condition Score with 60/100. 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 1970 and is now 56 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 carries an average daily traffic count of 138,490 vehicles, with 7 lane(s) crossing 6th AVE. South. 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 is a 56-year-old bridge located I65 * 6th AVE. South in Jefferson County, Alabama. The bridge carries I - 65 over 6th AVE. South with 7 traffic lanes, handling approximately 138K vehicles per day. Built in 1970 and reconstructed in 1988, the structure spans 58.5 meters.
The bridge received a Condition Grade of B (60/100) 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 - 65 has a Condition Score of 60/100 (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 - 65 was built in 1970 and reconstructed in 1988, making it 56 years old. The average bridge age in the United States is 48 years.
I - 65 carries approximately 138K vehicles per day (average daily traffic). The bridge has 7 traffic lanes. It is 58.5 meters long and located on I - 65 in I65 * 6th AVE. South, Jefferson County, Alabama.
No, I - 65 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 is located I65 * 6th AVE. South in Jefferson County, Alabama. The bridge carries I - 65 over 6th AVE. South. Its coordinates are 33.500300, -86.814200. It is maintained by State Highway Agency.
I - 65 carries I - 65 over 6th AVE. South. The bridge is 58.5 meters long and was built in 1970, with reconstruction in 1988.
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.