I-465 SB
I-465 SB in 00.38 S US 40, Marion County, Indiana received a condition grade of A (82/100). Built in 2010, the bridge carries 133K vehicles daily on I-465 SB over Minnesota Street.
I-465 SB carries an A on the BridgeSafety Condition Score with 82/100. 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 2010 and is 16 years old — relatively young against the U.S. bridge stock. Modern bridges built to current FHWA standards generally outperform older structures on condition ratings. I-465 SB carries an average daily traffic count of 133,152 vehicles, with 4 lane(s) crossing Minnesota Street. 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 SB is a 16-year-old bridge located 00.38 S US 40 in Marion County, Indiana. The bridge carries I-465 SB over Minnesota Street with 4 traffic lanes, handling approximately 133K vehicles per day. Built in 2010, the structure spans 25.6 meters.
The bridge received a Condition Grade of A (82/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (good), and substructure 8/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I-465 SB has a Condition Score of 82/100 (Grade A). Its deck is rated 7/9, superstructure 7/9, and substructure 8/9 on the NBI scale. The bridge is not classified as structurally deficient.
I-465 SB was built in 2010, making it 16 years old. The average bridge age in the United States is 48 years.
I-465 SB carries approximately 133K vehicles per day (average daily traffic). The bridge has 4 traffic lanes. It is 25.6 meters long and located on I-465 SB in 00.38 S US 40, Marion County, Indiana.
No, I-465 SB 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 SB is located 00.38 S US 40 in Marion County, Indiana. The bridge carries I-465 SB over Minnesota Street. Its coordinates are 39.742869, -86.264800. It is maintained by State Highway Agency.
I-465 SB carries I-465 SB over Minnesota Street. The bridge is 25.6 meters long and was built in 2010.
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.