I-5 (HWY 001)
I-5 (HWY 001) in At Tualatin River, Washington County, Oregon received a condition grade of B (70/100). Built in 1975, the bridge carries 156K vehicles daily on I-5 (HWY 001) over Tualatin 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-5 (HWY 001) is a 51-year-old bridge located At Tualatin River in Washington County, Oregon. The bridge carries I-5 (HWY 001) over Tualatin River with 8 traffic lanes, handling approximately 156K vehicles per day. Built in 1975 and reconstructed in 1991, the structure spans 79.2 meters.
The bridge received a Condition Grade of B (70/100) 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-5 (HWY 001) has a Condition Score of 70/100 (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-5 (HWY 001) was built in 1975 and reconstructed in 1991, making it 51 years old. The average bridge age in the United States is 48 years.
I-5 (HWY 001) carries approximately 156K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 79.2 meters long and located on I-5 (HWY 001) in At Tualatin River, Washington County, Oregon.
No, I-5 (HWY 001) 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-5 (HWY 001) is located At Tualatin River in Washington County, Oregon. The bridge carries I-5 (HWY 001) over Tualatin River. Its coordinates are 45.387594, -122.750661. It is maintained by State Highway Agency.
I-5 (HWY 001) carries I-5 (HWY 001) over Tualatin River. The bridge is 79.2 meters long and was built in 1975, with reconstruction in 1991.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.