Holgate Blvd
Holgate Blvd in 7.9 MI N Clackamas River, Multnomah County, Oregon received a condition grade of B (70/100). Built in 1978, the bridge carries 148K vehicles daily on Holgate Blvd over HWY 064.
Holgate Blvd carries a B on the BridgeSafety Condition Score with 70/100. Most component ratings are solid; one or two may show wear consistent with the structure’s age, but the bridge is not flagged as structurally deficient.
The bridge was built in 1978, making it 48 years old — past the early-life period but still well within typical service life. Routine inspections and modest repair work are normal for bridges in this age band. Holgate Blvd carries an average daily traffic count of 148,453 vehicles, with 2 lane(s) crossing HWY 064. The owning agency is State Highway Agency; bridge inspection records flow into the federal NBI database annually.
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
Holgate Blvd is a 48-year-old bridge located 7.9 MI N Clackamas River in Multnomah County, Oregon. The bridge carries Holgate Blvd over HWY 064 with 2 traffic lanes, handling approximately 148K vehicles per day. Built in 1978, the structure spans 89.9 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
Holgate Blvd 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.
Holgate Blvd was built in 1978, making it 48 years old. The average bridge age in the United States is 48 years.
Holgate Blvd carries approximately 148K vehicles per day (average daily traffic). The bridge has 2 traffic lanes. It is 89.9 meters long and located on Holgate Blvd in 7.9 MI N Clackamas River, Multnomah County, Oregon.
No, Holgate Blvd is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
Holgate Blvd is located 7.9 MI N Clackamas River in Multnomah County, Oregon. The bridge carries Holgate Blvd over HWY 064. Its coordinates are 45.489989, -122.566050. It is maintained by State Highway Agency.
Holgate Blvd carries Holgate Blvd over HWY 064. The bridge is 89.9 meters long and was built in 1978.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.
Source: FHWA National Bridge Inventory, 2026.