COUNTY RD 660
Carrying COUNTY RD 660 over WAGNER CR/W.VALLEY VIEW
0.18 MILEPOST, Jackson, Oregon
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: COUNTY RD 660
The COUNTY RD 660 bridge in Jackson, Oregon carries COUNTY RD 660 over WAGNER CR/W.VALLEY VIEW. It was built in 1955, making it 71 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 8.2 meters (27 feet) end to end. Daily traffic averages 12,999 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 culvert at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 19.5 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How COUNTY RD 660 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 How the historical reference is calculated.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
- 1955
- Material
- Concrete Continuous
- Number of Spans
- 2
- Structure Length
- 8.2 m (27 ft)
- Deck Width
- 19.8 m (65 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 12,999 vehicles/day
- Structure Number
- 29C84 660 00018
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether COUNTY RD 660 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 COUNTY RD 660 against other structures in Jackson 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 COUNTY RD 660?
COUNTY RD 660 in Jackson, Oregon on the FHWA's 0–9 scale.
How often is COUNTY RD 660 inspected?
COUNTY RD 660'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 12,999 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. COUNTY RD 660 is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for COUNTY RD 660?
COUNTY RD 660 has an NBI inventory load rating of 19.5 metric tons.
Who is responsible for maintaining COUNTY RD 660?
COUNTY RD 660 is owned and maintained by City/Municipal Highway Agency.
How old is COUNTY RD 660 and does age affect safety?
COUNTY RD 660 was built in 1955, making it 71 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.