I 84 EBL & WBL
I 84 EBL & WBL in 6.7 W. Boise, Ada County, Idaho received a condition grade of B (65/100). Built in 1966, the bridge carries 145K vehicles daily on I 84 EBL & WBL over Ridenbaugh Canal.
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 84 EBL & WBL is a 60-year-old bridge located 6.7 W. Boise in Ada County, Idaho. The bridge carries I 84 EBL & WBL over Ridenbaugh Canal with 8 traffic lanes, handling approximately 145K vehicles per day. Built in 1966 and reconstructed in 1994, the structure spans 9.1 meters.
The bridge received a Condition Grade of B (65/100) 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
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Frequently Asked Questions
I 84 EBL & WBL has a Condition Score of 65/100 (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 84 EBL & WBL was built in 1966 and reconstructed in 1994, making it 60 years old. The average bridge age in the United States is 48 years.
I 84 EBL & WBL carries approximately 145K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 9.1 meters long and located on I 84 EBL & WBL in 6.7 W. Boise, Ada County, Idaho.
No, I 84 EBL & WBL 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 84 EBL & WBL is located 6.7 W. Boise in Ada County, Idaho. The bridge carries I 84 EBL & WBL over Ridenbaugh Canal. Its coordinates are 43.597278, -116.340139. It is maintained by State Highway Agency.
I 84 EBL & WBL carries I 84 EBL & WBL over Ridenbaugh Canal. The bridge is 9.1 meters long and was built in 1966, with reconstruction in 1994.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.