BridgeSafety
Oakland County, MI · Structure #000000000008075

I-75 ACCESS RAMPS

I-75 ACCESS RAMPS in In Troy, Oakland County, Michigan received a condition grade of A (85/100). Built in 2019, the bridge carries 124K vehicles daily on I-75 ACCESS RAMPS over I-75.

A
85/100
85
Condition Score
124K
Daily Traffic
2019
Year Built
63.1m
Length

Component Ratings

DeckGood
7/9

The riding surface — evaluated for cracking, spalling, and wear

SuperstructureGood
8/9

Beams, girders, and trusses that support the deck

SubstructureGood
8/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
I-75 ACCESS RAMPS
Crosses Over
I-75
State
Michigan
County
Oakland County
Location
In Troy
Year Built
2019
Age
7 years
Daily Traffic
123,600
Lanes
2
Length
63.1 meters
Owner
State Highway Agency
Structure Number
000000000008075

About This Bridge

I-75 ACCESS RAMPS is a 7-year-old bridge located In Troy in Oakland County, Michigan. The bridge carries I-75 ACCESS RAMPS over I-75 with 2 traffic lanes, handling approximately 124K vehicles per day. Built in 2019, the structure spans 63.1 meters.

The bridge received a Condition Grade of A (85/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 8/9 (good), and substructure 8/9 (good).

This bridge is owned and maintained by State Highway Agency.

Location Map

In Troy, Oakland County, Michigan

42.599533, -83.162544

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Frequently Asked Questions

I-75 ACCESS RAMPS has a Condition Score of 85/100 (Grade A). Its deck is rated 7/9, superstructure 8/9, and substructure 8/9 on the NBI scale. The bridge is not classified as structurally deficient.

I-75 ACCESS RAMPS was built in 2019, making it 7 years old. The average bridge age in the United States is 48 years.

I-75 ACCESS RAMPS carries approximately 124K vehicles per day (average daily traffic). The bridge has 2 traffic lanes. It is 63.1 meters long and located on I-75 ACCESS RAMPS in In Troy, Oakland County, Michigan.

No, I-75 ACCESS RAMPS 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 ACCESS RAMPS is located In Troy in Oakland County, Michigan. The bridge carries I-75 ACCESS RAMPS over I-75. Its coordinates are 42.599533, -83.162544. It is maintained by State Highway Agency.

I-75 ACCESS RAMPS carries I-75 ACCESS RAMPS over I-75. The bridge is 63.1 meters long and was built in 2019.

Last updated:

Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.