FHWA NBI 2024 Inspection record Public-domain dataset

OR 99 (HWY 486)

Carrying OR 99 (HWY 486) over ROGUE RIVER @ GOLD HILL

02.9 MI S HWY 060 JCT, Jackson, Oregon

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
20 t Inventory load rating Lower than 80% of rated Oregon bridges

OR 99 (HWY 486) in Jackson, Oregon sits above 20% of rated Oregon bridges on inventory load rating (20 t), while its 1927 build year is earlier than 97% of Jackson's recorded-year cohort (401 bridges).

OR 99 (HWY 486) in Jackson, Oregon is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1927, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. 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:00576 271Y00265

PRE-1950 · CONCRETE · SINGLE-SPAN · TIED-CTRL · ARTERIAL-ADT · LIGHT-LOAD · CAT-FAIR

  • PRE-1950 Pre-1950
  • CONCRETE Concrete
  • SINGLE-SPAN Single span
  • TIED-CTRL Tied control
  • ARTERIAL-ADT Arterial 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: OR 99 (HWY 486)

The OR 99 (HWY 486) bridge in Jackson, Oregon carries OR 99 (HWY 486) over ROGUE RIVER @ GOLD HILL. It was built in 1927, making it 99 years old today. It was last reconstructed in 1947, extending its service life. The structure is built primarily of concrete and spans 1 section, stretching 136.6 meters (448 feet) end to end. Daily traffic averages 5,949 vehicles, placing it in the moderately-trafficked tier of Oregon bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 7/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range.

How OR 99 (HWY 486) compares

▼ 12.0
Load rating vs Oregon average (31.8 t; 8,282 of 8,305 rated)
401
Bridges in Jackson · 6 in Poor condition

Age against the county: built in 1927, earlier than 389 of Jackson's 401 bridges with a recorded construction year (97%), against a county median build year of 1969. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

OR 99 (HWY 486) 19.8 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).

OR 99 (HWY 486) 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

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

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.

Jackson inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 401 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
1927
Last Reconstructed
1947
Material
Concrete
Number of Spans
1
Structure Length
136.6 m (448 ft)
Deck Width
7.2 m (24 ft)
Owner
State Highway Agency
Avg Daily Traffic
5,949 vehicles/day
Structure Number
00576 271Y00265

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
  • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether OR 99 (HWY 486) 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 OR 99 (HWY 486) 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 OR 99 (HWY 486)?

OR 99 (HWY 486) in Jackson, Oregon has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is OR 99 (HWY 486) inspected?

OR 99 (HWY 486)'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 5,949 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. OR 99 (HWY 486) 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 OR 99 (HWY 486)?

OR 99 (HWY 486) has an NBI inventory load rating of 19.8 metric tons.

Who is responsible for maintaining OR 99 (HWY 486)?

OR 99 (HWY 486) is owned and maintained by State Highway Agency.

How old is OR 99 (HWY 486) and does age affect safety?

OR 99 (HWY 486) was built in 1927, making it 99 years old and last reconstructed in 1947.

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.