I-75 & RAMPS C&D
I-75 & RAMPS C&D in In Detroit, Wayne County, Michigan received a condition grade of B (63/100). Built in 1969, the bridge carries 152K vehicles daily on I-75 & RAMPS C&D over M-8 Davison & Servic Rds.
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 & RAMPS C&D is a 57-year-old bridge located In Detroit in Wayne County, Michigan. The bridge carries I-75 & RAMPS C&D over M-8 Davison & Servic Rds with 9 traffic lanes, handling approximately 152K vehicles per day. Built in 1969, the structure spans 79.5 meters.
The bridge received a Condition Grade of B (63/100) based on Federal Highway Administration inspection data. Its deck is rated 5/9 (fair), 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-75 & RAMPS C&D has a Condition Score of 63/100 (Grade B). Its deck is rated 5/9, superstructure 6/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
I-75 & RAMPS C&D was built in 1969, making it 57 years old. The average bridge age in the United States is 48 years.
I-75 & RAMPS C&D carries approximately 152K vehicles per day (average daily traffic). The bridge has 9 traffic lanes. It is 79.5 meters long and located on I-75 & RAMPS C&D in In Detroit, Wayne County, Michigan.
No, I-75 & RAMPS C&D 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 & RAMPS C&D is located In Detroit in Wayne County, Michigan. The bridge carries I-75 & RAMPS C&D over M-8 Davison & Servic Rds. Its coordinates are 42.408644, -83.079083. It is maintained by State Highway Agency.
I-75 & RAMPS C&D carries I-75 & RAMPS C&D over M-8 Davison & Servic Rds. The bridge is 79.5 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.