I-70
I-70 in 02.87 W I-65, Marion County, Indiana received a condition grade of B (70/100). Built in 1967, the bridge carries 163K vehicles daily on I-70 over Belmont Avenue.
I-70 carries a B on the BridgeSafety Condition Score with 70/100. 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 1967 and is now 59 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-70 carries an average daily traffic count of 163,150 vehicles, with 6 lane(s) crossing Belmont Avenue. 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-70 is a 59-year-old bridge located 02.87 W I-65 in Marion County, Indiana. The bridge carries I-70 over Belmont Avenue with 6 traffic lanes, handling approximately 163K vehicles per day. Built in 1967 and reconstructed in 1995, the structure spans 39.3 meters.
The bridge received a Condition Grade of B (70/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 6/9 (fair), and substructure 7/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I-70 has a Condition Score of 70/100 (Grade B). Its deck is rated 7/9, superstructure 6/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
I-70 was built in 1967 and reconstructed in 1995, making it 59 years old. The average bridge age in the United States is 48 years.
I-70 carries approximately 163K vehicles per day (average daily traffic). The bridge has 6 traffic lanes. It is 39.3 meters long and located on I-70 in 02.87 W I-65, Marion County, Indiana.
No, I-70 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-70 is located 02.87 W I-65 in Marion County, Indiana. The bridge carries I-70 over Belmont Avenue. Its coordinates are 39.756089, -86.196831. It is maintained by State Highway Agency.
I-70 carries I-70 over Belmont Avenue. The bridge is 39.3 meters long and was built in 1967, with reconstruction in 1995.
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.