FHWA NBI 2024 Inspection record Public-domain dataset

FOREST RD 1600

Carrying FOREST RD 1600 over CROOKED RIVER

ON RD16 8.13MI FROM POST, Crook, Oregon

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
15 t Inventory load rating Lower than 91% of rated Oregon bridges

FOREST RD 1600 in Crook, Oregon sits above 9% of rated Oregon bridges on inventory load rating (15 t), while its 1965 build year is earlier than 61% of Crook's recorded-year cohort (79 bridges).

FOREST RD 1600 in Crook, Oregon is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1965, 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:060703000001019

INTERSTATE-ERA · CONCRETE · MULTI-SPAN · TIED-CTRL · TRACE-ADT · LIGHT-LOAD · CAT-FAIR

  • INTERSTATE-ERA 1950–1979
  • CONCRETE Concrete
  • MULTI-SPAN 3 spans
  • TIED-CTRL Tied control
  • TRACE-ADT Trace 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: FOREST RD 1600

The FOREST RD 1600 bridge in Crook, Oregon carries FOREST RD 1600 over CROOKED RIVER. It was built in 1965, making it 61 years old today. It was last reconstructed in 1995, extending its service life. The structure is built primarily of concrete continuous and spans 3 sections, stretching 36.6 meters (120 feet) end to end. Daily traffic averages 25 vehicles, placing it in the lower-traffic tier of Oregon bridges. It is owned and maintained by U.S. Forest Service.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 7/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range.

How FOREST RD 1600 compares

▼ 16.6
Load rating vs Oregon average (31.8 t; 8,282 of 8,305 rated)
79
Bridges in Crook

Age against the county: built in 1965, earlier than 48 of Crook's 79 bridges with a recorded construction year (61%), against a county median build year of 1985. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

FOREST RD 1600 15.2 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).

FOREST RD 1600 vs every rated Oregon bridge

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

15 Top 91% higher than 9% 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
6/9
Fair (5–6)
Substructure
7/9
Good (7–9)
Inventory Load Rating
15.2 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.

Crook inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 79 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
1965
Last Reconstructed
1995
Material
Concrete Continuous
Number of Spans
3
Structure Length
36.6 m (120 ft)
Deck Width
8.8 m (29 ft)
Owner
U.S. Forest Service
Avg Daily Traffic
25 vehicles/day
Structure Number
060703000001019

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • 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 FOREST RD 1600 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 FOREST RD 1600 against other structures in Crook 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 FOREST RD 1600?

FOREST RD 1600 in Crook, Oregon has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is FOREST RD 1600 inspected?

FOREST RD 1600'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 25 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. FOREST RD 1600 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 FOREST RD 1600?

FOREST RD 1600 has an NBI inventory load rating of 15.2 metric tons.

Who is responsible for maintaining FOREST RD 1600?

FOREST RD 1600 is owned and maintained by U.S. Forest Service.

How old is FOREST RD 1600 and does age affect safety?

FOREST RD 1600 was built in 1965, making it 61 years old and last reconstructed in 1995.

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.