NELSON MOUNTAIN RD
Carrying NELSON MOUNTAIN RD over LAKE CREEK
060 MI SW OF TRIANGLE LK, Lane, Oregon
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: NELSON MOUNTAIN RD
The NELSON MOUNTAIN RD bridge in Lane, Oregon carries NELSON MOUNTAIN RD over LAKE CREEK. It was built in 1928, making it 98 years old today. It was last reconstructed in 1984, extending its service life. The structure is built primarily of prestressed concrete and spans 4 sections, stretching 47.5 meters (156 feet) end to end. Daily traffic averages 273 vehicles, placing it in the lower-traffic tier of Oregon bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 5/9. 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 26.3 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How NELSON MOUNTAIN RD 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 How the historical reference is calculated.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
- 1928
- Last Reconstructed
- 1984
- Material
- Prestressed Concrete
- Number of Spans
- 4
- Structure Length
- 47.5 m (156 ft)
- Deck Width
- 4.9 m (16 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 273 vehicles/day
- Structure Number
- 39C386367000008
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.
- • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.
How to read this record
This page shows what the last federal inspection recorded, not whether NELSON MOUNTAIN RD 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 NELSON MOUNTAIN RD against other structures in Lane 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 NELSON MOUNTAIN RD?
NELSON MOUNTAIN RD in Lane, Oregon has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.
How often is NELSON MOUNTAIN RD inspected?
NELSON MOUNTAIN RD'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 273 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. NELSON MOUNTAIN RD 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 NELSON MOUNTAIN RD?
NELSON MOUNTAIN RD has an NBI inventory load rating of 26.3 metric tons.
Who is responsible for maintaining NELSON MOUNTAIN RD?
NELSON MOUNTAIN RD is owned and maintained by County Highway Agency.
How old is NELSON MOUNTAIN RD and does age affect safety?
NELSON MOUNTAIN RD was built in 1928, making it 98 years old and last reconstructed in 1984.
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.