N COLUMBIA BLVD
Carrying N COLUMBIA BLVD over B-126 OVER UPRR
E OF PIER PARK, Multnomah, Oregon
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: N COLUMBIA BLVD
The N COLUMBIA BLVD bridge in Multnomah, Oregon carries N COLUMBIA BLVD over B-126 OVER UPRR. It was built in 1984, making it 42 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 77.4 meters (254 feet) end to end. Daily traffic averages 13,199 vehicles, placing it in the heavily-trafficked tier of Oregon bridges. It is owned and maintained by City/Municipal Highway Agency.
The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 7/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 20.1 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How N COLUMBIA BLVD compares
Live comparison across Oregon.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1984
- Material
- Concrete Continuous
- Number of Spans
- 3
- Structure Length
- 77.4 m (254 ft)
- Deck Width
- 23.0 m (75 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 13,199 vehicles/day
- Structure Number
- 16385 000000000
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
- • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
- • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.
How to read this record
This page shows what the last federal inspection recorded, not whether N COLUMBIA BLVD is safe to cross today. Here is how to use it.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
- Compare N COLUMBIA BLVD against other structures in Multnomah and across Oregon. Oregon bridges
- Noticed visible damage or a safety concern? Report it to the agency that owns the bridge, or call 911 in an emergency. How to report a bridge
Condition codes come straight from the FHWA National Bridge Inventory and are not a real-time safety judgment. Only the owning agency, a state DOT, county, or other owner, can post, restrict, or close a bridge.
Frequently Asked Questions
What do the condition ratings mean for N COLUMBIA BLVD?
N COLUMBIA BLVD in Multnomah, Oregon has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is N COLUMBIA BLVD inspected?
N COLUMBIA BLVD's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval. It carries about 13,199 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. N COLUMBIA BLVD is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for N COLUMBIA BLVD?
N COLUMBIA BLVD has an NBI inventory load rating of 20.1 metric tons.
Who is responsible for maintaining N COLUMBIA BLVD?
N COLUMBIA BLVD is owned and maintained by City/Municipal Highway Agency.
How old is N COLUMBIA BLVD and does age affect safety?
N COLUMBIA BLVD was built in 1984, making it 42 years old.
Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A Poor condition rating is not a live declaration that a bridge is closed or unsafe for travel. For current closure, posting, or safety information, contact the responsible transportation agency.
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.