Hwy 123
Carrying Hwy 123 over BNSF
N. LOMBARD ST OVER BURLIN, Multnomah, Oregon
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: Hwy 123
The Hwy 123 bridge in Multnomah, Oregon carries Hwy 123 over BNSF. It was built in 1909, making it 117 years old today. The structure is built primarily of steel and spans 1 section, stretching 103.6 meters (340 feet) end to end. Daily traffic averages 13,970 vehicles, placing it in the heavily-trafficked tier of Oregon bridges. It is owned and maintained by Railroad.
The latest FHWA inspection records show a deck rating of 5/9, superstructure at 5/9, substructure at 4/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 19.4 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How Hwy 123 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 How the historical reference is calculated.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
- 1909
- Material
- Steel
- Number of Spans
- 1
- Structure Length
- 103.6 m (340 ft)
- Deck Width
- 18.3 m (60 ft)
- Owner
- Railroad
- Avg Daily Traffic
- 13,970 vehicles/day
- Structure Number
- 0M089 123 00240
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • At 5/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
- • At 5/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
- • The substructure (piers and abutments) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
How to read this record
Hwy 123 is in the federal Poor condition category. That is a component-based result, not a closure order.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
- Compare Hwy 123 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 Hwy 123?
Hwy 123 in Multnomah, Oregon has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.
How often is Hwy 123 inspected?
Hwy 123'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 13,970 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. Hwy 123 is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for Hwy 123?
Hwy 123 has an NBI inventory load rating of 19.4 metric tons.
Who is responsible for maintaining Hwy 123?
Hwy 123 is owned and maintained by Railroad.
How old is Hwy 123 and does age affect safety?
Hwy 123 was built in 1909, making it 117 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.