Hwy 064
Hwy 064 in 8.4 MI N Clackamas River, Multnomah County, Oregon received a condition grade of B (67/100). Built in 1979, the bridge carries 167K vehicles daily on Hwy 064 over HWY 026.
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
Hwy 064 is a 47-year-old bridge located 8.4 MI N Clackamas River in Multnomah County, Oregon. The bridge carries Hwy 064 over HWY 026 with 6 traffic lanes, handling approximately 167K vehicles per day. Built in 1979, the structure spans 64.6 meters.
The bridge received a Condition Grade of B (67/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 6/9 (fair), and substructure 6/9 (fair).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
Hwy 064 has a Condition Score of 67/100 (Grade B). Its deck is rated 6/9, superstructure 6/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.
Hwy 064 was built in 1979, making it 47 years old. The average bridge age in the United States is 48 years.
Hwy 064 carries approximately 167K vehicles per day (average daily traffic). The bridge has 6 traffic lanes. It is 64.6 meters long and located on Hwy 064 in 8.4 MI N Clackamas River, Multnomah County, Oregon.
No, Hwy 064 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
Hwy 064 is located 8.4 MI N Clackamas River in Multnomah County, Oregon. The bridge carries Hwy 064 over HWY 026. Its coordinates are 45.497369, -122.565431. It is maintained by State Highway Agency.
Hwy 064 carries Hwy 064 over HWY 026. The bridge is 64.6 meters long and was built in 1979.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.