I-69 WB
I-69 WB in 5.0 MI NE Of M-52, Shiawassee County, Michigan received a condition grade of B (63/100). Built in 1961, the bridge carries 192K vehicles daily on I-69 WB over Looking Glass River.
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-69 WB is a 65-year-old bridge located 5.0 MI NE Of M-52 in Shiawassee County, Michigan. The bridge carries I-69 WB over Looking Glass River with 2 traffic lanes, handling approximately 192K vehicles per day. Built in 1961 and reconstructed in 2010, the structure spans 12.2 meters.
The bridge received a Condition Grade of B (63/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 6/9 (fair), and substructure 6/9 (fair).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I-69 WB has a Condition Score of 63/100 (Grade B). Its deck is rated 7/9, superstructure 6/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.
I-69 WB was built in 1961 and reconstructed in 2010, making it 65 years old. The average bridge age in the United States is 48 years.
I-69 WB carries approximately 192K vehicles per day (average daily traffic). The bridge has 2 traffic lanes. It is 12.2 meters long and located on I-69 WB in 5.0 MI NE Of M-52, Shiawassee County, Michigan.
No, I-69 WB 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-69 WB is located 5.0 MI NE Of M-52 in Shiawassee County, Michigan. The bridge carries I-69 WB over Looking Glass River. Its coordinates are 42.871197, -84.134608. It is maintained by State Highway Agency.
I-69 WB carries I-69 WB over Looking Glass River. The bridge is 12.2 meters long and was built in 1961, with reconstruction in 2010.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.