FHWA NBI 2024 Inspection record Public-domain dataset

OLD RAILROAD GRADE

Carrying OLD RAILROAD GRADE over NORTH YAMHILL RIVER

6 MI NW OF YAMHILL, Yamhill, Oregon

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
9 t Inventory load rating Lower than 98% of rated Oregon bridges

OLD RAILROAD GRADE in Yamhill, Oregon sits above 2% of rated Oregon bridges on inventory load rating (9 t), while its 1972 build year is earlier than 38% of Yamhill's recorded-year cohort (149 bridges).

OLD RAILROAD GRADE in Yamhill, Oregon is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1972, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. The lowest applicable rating sets the federal condition category, so this Poor 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:11526 000

INTERSTATE-ERA · TIMBER · LONG-SPAN-RUN · SUB-LED · LOCAL-ADT · LIGHT-LOAD · CAT-POOR

  • INTERSTATE-ERA 1950–1979
  • TIMBER Wood or timber
  • LONG-SPAN-RUN 5 spans
  • SUB-LED Substructure-led
  • LOCAL-ADT Local ADT
  • LIGHT-LOAD Light load
  • CAT-POOR Poor

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: OLD RAILROAD GRADE

The OLD RAILROAD GRADE bridge in Yamhill, Oregon carries OLD RAILROAD GRADE over NORTH YAMHILL RIVER. It was built in 1972, making it 54 years old today. The structure is built primarily of wood or timber and spans 5 sections, stretching 48.8 meters (160 feet) end to end. Daily traffic averages 244 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 7/9, superstructure at 6/9, substructure at 4/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules.

How OLD RAILROAD GRADE compares

▼ 23.1
Load rating vs Oregon average (31.8 t; 8,282 of 8,305 rated)
149
Bridges in Yamhill · 7 in Poor condition

Age against the county: built in 1972, earlier than 57 of Yamhill's 149 bridges with a recorded construction year (38%), against a county median build year of 1967. This is one of the newer structures in its county.

OLD RAILROAD GRADE 8.7 t
Oregon average (8,282 of 8,305 rated) 31.8 t

Live comparison across Oregon bridges with a recorded inventory load rating (8,282 of 8,305 rated).

OLD RAILROAD GRADE vs every rated Oregon bridge

Inventory load rating (metric tons), FHWA NBI, this state

9 Top 98% higher than 2% 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

Deck
7/9
Good (7–9)
Superstructure
6/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
8.7 t
NBI inventory level (metric tons)
Overall Condition
Poor

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.

Yamhill inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 149 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
1972
Material
Wood or Timber
Number of Spans
5
Structure Length
48.8 m (160 ft)
Deck Width
5.0 m (16 ft)
Owner
County Highway Agency
Avg Daily Traffic
244 vehicles/day
Structure Number
11526 000

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • 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 poor at 4/9, with advanced deterioration recorded on the latest inspection.

How to read this record

OLD RAILROAD GRADE is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare OLD RAILROAD GRADE against other structures in Yamhill 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 OLD RAILROAD GRADE?

OLD RAILROAD GRADE in Yamhill, Oregon has a deck rating of 7/9, superstructure rating of 6/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is OLD RAILROAD GRADE inspected?

OLD RAILROAD GRADE'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 244 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. OLD RAILROAD GRADE is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for OLD RAILROAD GRADE?

OLD RAILROAD GRADE has an NBI inventory load rating of 8.7 metric tons.

Who is responsible for maintaining OLD RAILROAD GRADE?

OLD RAILROAD GRADE is owned and maintained by County Highway Agency.

How old is OLD RAILROAD GRADE and does age affect safety?

OLD RAILROAD GRADE was built in 1972, making it 54 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.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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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.