NE 105TH AVE
Carrying NE 105TH AVE over B-115 X COLUMBIA SLOUGH
NE 105TH AT NE CLARK ST, Multnomah, Oregon
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: NE 105TH AVE
The NE 105TH AVE bridge in Multnomah, Oregon carries NE 105TH AVE over B-115 X COLUMBIA SLOUGH. It was built in 1977, making it 49 years old today. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 34.4 meters (113 feet) end to end. Daily traffic averages 4,862 vehicles, placing it in the moderately-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. All reported major components score above the Poor range. Its NBI inventory load rating is 36.3 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How NE 105TH AVE 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 How the historical reference is calculated.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
- 1977
- Material
- Prestressed Concrete
- Number of Spans
- 3
- Structure Length
- 34.4 m (113 ft)
- Deck Width
- 13.7 m (45 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 4,862 vehicles/day
- Structure Number
- 16056 000000000
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
- • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
- • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.
How to read this record
This page shows what the last federal inspection recorded, not whether NE 105TH AVE 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 NE 105TH AVE 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 NE 105TH AVE?
NE 105TH AVE 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 NE 105TH AVE inspected?
NE 105TH AVE'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 4,862 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. NE 105TH AVE 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 NE 105TH AVE?
NE 105TH AVE has an NBI inventory load rating of 36.3 metric tons.
Who is responsible for maintaining NE 105TH AVE?
NE 105TH AVE is owned and maintained by City/Municipal Highway Agency.
How old is NE 105TH AVE and does age affect safety?
NE 105TH AVE was built in 1977, making it 49 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.