JEFFERSON-SCIO DR
Carrying JEFFERSON-SCIO DR over N FORK SANTIAM RIVER
068 MILES WEST OF SCIO, Linn, Oregon
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: JEFFERSON-SCIO DR
The JEFFERSON-SCIO DR bridge in Linn, Oregon carries JEFFERSON-SCIO DR over N FORK SANTIAM RIVER. It was built in 1973, making it 53 years old today. The structure is built primarily of prestressed concrete continuous and spans 3 sections, stretching 148.1 meters (486 feet) end to end. Daily traffic averages 2,369 vehicles, placing it in the moderately-trafficked tier of Oregon bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show a deck rating of 7/9, superstructure at 6/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 57.0 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How JEFFERSON-SCIO DR 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 How the historical reference is calculated.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
- 1973
- Material
- Prestressed Concrete Continuous
- Number of Spans
- 3
- Structure Length
- 148.1 m (486 ft)
- Deck Width
- 13.0 m (43 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 2,369 vehicles/day
- Structure Number
- 04668 000400668
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
- • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
- • The substructure (piers and abutments) rates fair at 6/9, minor deterioration that routine maintenance should address.
How to read this record
This page shows what the last federal inspection recorded, not whether JEFFERSON-SCIO DR 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 JEFFERSON-SCIO DR against other structures in Linn 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 JEFFERSON-SCIO DR?
JEFFERSON-SCIO DR in Linn, Oregon has a deck rating of 7/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is JEFFERSON-SCIO DR inspected?
JEFFERSON-SCIO DR'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 2,369 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. JEFFERSON-SCIO DR 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 JEFFERSON-SCIO DR?
JEFFERSON-SCIO DR has an NBI inventory load rating of 57.0 metric tons.
Who is responsible for maintaining JEFFERSON-SCIO DR?
JEFFERSON-SCIO DR is owned and maintained by County Highway Agency.
How old is JEFFERSON-SCIO DR and does age affect safety?
JEFFERSON-SCIO DR was built in 1973, making it 53 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.