I-75
I-75 in In Detroit Over Ramp C To, Wayne County, Michigan received a condition grade of B (67/100). Built in 1969, the bridge carries 167K vehicles daily on I-75 over Ramp To Davison(M-8).
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-75 is a 57-year-old bridge located In Detroit Over Ramp C To in Wayne County, Michigan. The bridge carries I-75 over Ramp To Davison(M-8) with 8 traffic lanes, handling approximately 167K vehicles per day. Built in 1969, the structure spans 15.2 meters.
The bridge received a Condition Grade of B (67/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 7/9 (good), and substructure 6/9 (fair).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I-75 has a Condition Score of 67/100 (Grade B). Its deck is rated 6/9, superstructure 7/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.
I-75 was built in 1969, making it 57 years old. The average bridge age in the United States is 48 years.
I-75 carries approximately 167K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 15.2 meters long and located on I-75 in In Detroit Over Ramp C To, Wayne County, Michigan.
No, I-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.
I-75 is located In Detroit Over Ramp C To in Wayne County, Michigan. The bridge carries I-75 over Ramp To Davison(M-8). Its coordinates are 42.407581, -83.077944. It is maintained by State Highway Agency.
I-75 carries I-75 over Ramp To Davison(M-8). The bridge is 15.2 meters long and was built in 1969.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.