I-465 NB
I-465 NB in 02.39 N I-70, Marion County, Indiana received a condition grade of A (80/100). Built in 1965, the bridge carries 142K vehicles daily on I-465 NB over US 36 SR 67.
I-465 NB carries an A on the BridgeSafety Condition Score with 80/100. 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 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-465 NB carries an average daily traffic count of 141,546 vehicles, with 4 lane(s) crossing US 36 SR 67. 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-465 NB is a 61-year-old bridge located 02.39 N I-70 in Marion County, Indiana. The bridge carries I-465 NB over US 36 SR 67 with 4 traffic lanes, handling approximately 142K vehicles per day. Built in 1965 and reconstructed in 2000, the structure spans 64.6 meters.
The bridge received a Condition Grade of A (80/100) based on Federal Highway Administration inspection data. Its deck is rated 8/9 (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-465 NB has a Condition Score of 80/100 (Grade A). Its deck is rated 8/9, superstructure 8/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
I-465 NB was built in 1965 and reconstructed in 2000, making it 61 years old. The average bridge age in the United States is 48 years.
I-465 NB carries approximately 142K vehicles per day (average daily traffic). The bridge has 4 traffic lanes. It is 64.6 meters long and located on I-465 NB in 02.39 N I-70, Marion County, Indiana.
No, I-465 NB 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-465 NB is located 02.39 N I-70 in Marion County, Indiana. The bridge carries I-465 NB over US 36 SR 67. Its coordinates are 39.832231, -86.035619. It is maintained by State Highway Agency.
I-465 NB carries I-465 NB over US 36 SR 67. The bridge is 64.6 meters long and was built in 1965, with reconstruction 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.