BISHOP RD
Carrying BISHOP RD over MILL CREEK
008M SE AUMSVILLE, Marion, Oregon
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
BISHOP RD in Marion, Oregon sits above 20% of rated Oregon bridges on inventory load rating (20 t), while its 1969 build year is earlier than 47% of Marion's recorded-year cohort (373 bridges).
BISHOP RD in Marion, Oregon is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1969, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 5. The lowest applicable rating sets the federal condition category, so this Fair result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure OR:47C71 870
INTERSTATE-ERA · TIMBER · MULTI-SPAN · SUB-LED · LOCAL-ADT · LIGHT-LOAD · CAT-FAIR
- INTERSTATE-ERA 1950–1979
- TIMBER Wood or timber
- MULTI-SPAN 3 spans
- SUB-LED Substructure-led
- LOCAL-ADT Local ADT
- LIGHT-LOAD Light load
- CAT-FAIR Fair
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: BISHOP RD
The BISHOP RD bridge in Marion, Oregon carries BISHOP RD over MILL CREEK. It was built in 1969, making it 57 years old today. The structure is built primarily of wood or timber and spans 3 sections, stretching 17.1 meters (56 feet) end to end. Daily traffic averages 319 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. No reported major component scores in the Poor range under the current federal condition thresholds.
How BISHOP RD compares
Age against the county: built in 1969, earlier than 176 of Marion's 373 bridges with a recorded construction year (47%), against a county median build year of 1969.
Live comparison across Oregon bridges with a recorded inventory load rating (8,282 of 8,305 rated).
BISHOP RD vs every rated Oregon bridge
Inventory load rating (metric tons), FHWA NBI, this state
20 Top 80% higher than 20% of 8,282 bridges
rated Oregon bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.
Marion inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 373 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 1969
- Material
- Wood or Timber
- Number of Spans
- 3
- Structure Length
- 17.1 m (56 ft)
- Deck Width
- 7.6 m (25 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 319 vehicles/day
- Structure Number
- 47C71 870
Condition Analysis
- • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
- • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
- • The substructure (piers and abutments) rates fair at 5/9, minor deterioration that routine maintenance should address.
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 BISHOP 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 BISHOP RD against other structures in Marion 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 BISHOP RD?
BISHOP RD in Marion, 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 BISHOP RD inspected?
BISHOP 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 319 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. BISHOP 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 BISHOP RD?
BISHOP RD has an NBI inventory load rating of 19.8 metric tons.
Who is responsible for maintaining BISHOP RD?
BISHOP RD is owned and maintained by County Highway Agency.
How old is BISHOP RD and does age affect safety?
BISHOP RD was built in 1969, making it 57 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.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.