FHWA NBI 2024 Inspection record Public-domain dataset

AIRLIE ROAD

Carrying AIRLIE ROAD over PETERSON CREEK

030 W STATE HWY 99W, Polk, Oregon

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
42 t Inventory load rating Higher than 77% of rated Oregon bridges

AIRLIE ROAD in Polk, Oregon sits above 77% of rated Oregon bridges on inventory load rating (42 t), while its 1986 build year is earlier than 37% of Polk's recorded-year cohort (161 bridges).

AIRLIE ROAD in Polk, Oregon is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1986, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good 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:53C019000700431

LATE-CENTURY · PRESTRESS · SINGLE-SPAN · TIED-CTRL · ARTERIAL-ADT · HEAVY-LOAD · CAT-GOOD

  • LATE-CENTURY 1980–1999
  • PRESTRESS Prestressed concrete
  • SINGLE-SPAN Single span
  • TIED-CTRL Tied control
  • ARTERIAL-ADT Arterial ADT
  • HEAVY-LOAD Heavy load
  • CAT-GOOD Good

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: AIRLIE ROAD

The AIRLIE ROAD bridge in Polk, Oregon carries AIRLIE ROAD over PETERSON CREEK. It was built in 1986, making it 40 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 9.8 meters (32 feet) end to end. Daily traffic averages 1,072 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 8/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds.

How AIRLIE ROAD compares

▲ 9.9
Load rating vs Oregon average (31.8 t; 8,282 of 8,305 rated)
161
Bridges in Polk · 11 in Poor condition

Age against the county: built in 1986, earlier than 60 of Polk's 161 bridges with a recorded construction year (37%), against a county median build year of 1974. This is one of the newer structures in its county.

AIRLIE ROAD 41.7 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).

AIRLIE ROAD vs every rated Oregon bridge

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

42 Top 23% higher than 77% 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
8/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
41.7 t
NBI inventory level (metric tons)
Overall Condition
Good

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.

Polk inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 161 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
1986
Material
Prestressed Concrete
Number of Spans
1
Structure Length
9.8 m (32 ft)
Deck Width
9.8 m (32 ft)
Owner
County Highway Agency
Avg Daily Traffic
1,072 vehicles/day
Structure Number
53C019000700431

Condition Analysis

  • At 8/9, the deck (driving surface) is in good shape and shows no significant wear.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether AIRLIE ROAD 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 AIRLIE ROAD against other structures in Polk 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 AIRLIE ROAD?

AIRLIE ROAD in Polk, Oregon has a deck rating of 8/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is AIRLIE ROAD inspected?

AIRLIE ROAD'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 1,072 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. AIRLIE ROAD 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 AIRLIE ROAD?

AIRLIE ROAD has an NBI inventory load rating of 41.7 metric tons.

Who is responsible for maintaining AIRLIE ROAD?

AIRLIE ROAD is owned and maintained by County Highway Agency.

How old is AIRLIE ROAD and does age affect safety?

AIRLIE ROAD was built in 1986, making it 40 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.