I-90 EB
I-90 EB in 0.5 E JCT I-405, King County, Washington received a condition grade of A (89/100). Built in 2024, the bridge carries 139K vehicles daily on I-90 EB over Sunset Creek.
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-90 EB is a 2-year-old bridge located 0.5 E JCT I-405 in King County, Washington. The bridge carries I-90 EB over Sunset Creek with 6 traffic lanes, handling approximately 139K vehicles per day. Built in 2024, the structure spans 47 meters.
The bridge received a Condition Grade of A (89/100) based on Federal Highway Administration inspection data. Its deck is rated 8/9 (good), superstructure 8/9 (good), and substructure 8/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I-90 EB has a Condition Score of 89/100 (Grade A). Its deck is rated 8/9, superstructure 8/9, and substructure 8/9 on the NBI scale. The bridge is not classified as structurally deficient.
I-90 EB was built in 2024, making it 2 years old. The average bridge age in the United States is 48 years.
I-90 EB carries approximately 139K vehicles per day (average daily traffic). The bridge has 6 traffic lanes. It is 47 meters long and located on I-90 EB in 0.5 E JCT I-405, King County, Washington.
No, I-90 EB 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-90 EB is located 0.5 E JCT I-405 in King County, Washington. The bridge carries I-90 EB over Sunset Creek. Its coordinates are 47.579825, -122.161517. It is maintained by State Highway Agency.
I-90 EB carries I-90 EB over Sunset Creek. The bridge is 47 meters long and was built in 2024.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.