IR-75
IR-75 in .10mi.S. Of JCT. SR-49, Montgomery County, Ohio received a condition grade of A (89/100). Built in 2014, the bridge carries 124K vehicles daily on IR-75 over Salem AVE Second First.
IR-75 carries an A on the BridgeSafety Condition Score with 89/100. 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 2014 and is 12 years old — relatively young against the U.S. bridge stock. Modern bridges built to current FHWA standards generally outperform older structures on condition ratings. IR-75 carries an average daily traffic count of 123,721 vehicles, with 6 lane(s) crossing Salem AVE Second First. 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
IR-75 is a 12-year-old bridge located .10mi.S. Of JCT. SR-49 in Montgomery County, Ohio. The bridge carries IR-75 over Salem AVE Second First with 6 traffic lanes, handling approximately 124K vehicles per day. Built in 2014, the structure spans 82.2 meters.
The bridge received a Condition Grade of A (89/100) based on Federal Highway Administration inspection data. Its deck is rated 8/9 (good), superstructure 8/9 (good), and substructure 8/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
IR-75 has a Condition Score of 89/100 (Grade A). Its deck is rated 8/9, superstructure 8/9, and substructure 8/9 on the NBI scale. The bridge is not classified as structurally deficient.
IR-75 was built in 2014, making it 12 years old. The average bridge age in the United States is 48 years.
IR-75 carries approximately 124K vehicles per day (average daily traffic). The bridge has 6 traffic lanes. It is 82.2 meters long and located on IR-75 in .10mi.S. Of JCT. SR-49, Montgomery County, Ohio.
No, IR-75 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
IR-75 is located .10mi.S. Of JCT. SR-49 in Montgomery County, Ohio. The bridge carries IR-75 over Salem AVE Second First. Its coordinates are 39.760700, -84.201900. It is maintained by State Highway Agency.
IR-75 carries IR-75 over Salem AVE Second First. The bridge is 82.2 meters long and was built in 2014.
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.