FHWA NBI 2024 Inspection record Public-domain dataset

CR 59

Carrying CR 59 over STREAM

1.7 MI N OF JCT CSAH 20, Rock, Minnesota

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
32 t Inventory load rating Lower than 74% of rated Minnesota bridges

CR 59 in Rock, Minnesota sits above 26% of rated Minnesota bridges on inventory load rating (32 t), while its 2015 build year is earlier than 6% of Rock's recorded-year cohort (265 bridges).

CR 59 in Rock, Minnesota is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 2015, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 8. 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 MN:67K30

POST-2000 · CONCRETE · MULTI-SPAN · CULVERT-LED · TRACE-ADT · STANDARD-LOAD · CAT-GOOD

  • POST-2000 2000+
  • CONCRETE Concrete
  • MULTI-SPAN 2 spans
  • CULVERT-LED Culvert-led
  • TRACE-ADT Trace ADT
  • STANDARD-LOAD Standard 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: CR 59

The CR 59 bridge in Rock, Minnesota carries CR 59 over STREAM. It was built in 2015, making it 11 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 10.4 meters (34 feet) end to end. Daily traffic averages 21 vehicles, placing it in the lower-traffic tier of Minnesota bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show culvert at 8/9. The weakest component sits in good condition. All reported major components score above the Poor range.

How CR 59 compares

▼ 3.4
Load rating vs Minnesota average (35.8 t; 13,532 rated)
265
Bridges in Rock · 6 in Poor condition

Age against the county: built in 2015, earlier than 16 of Rock's 265 bridges with a recorded construction year (6%), against a county median build year of 1996. This is one of the newer structures in its county.

CR 59 32.4 t
Minnesota average (13,532 rated) 35.8 t

Live comparison across Minnesota bridges with a recorded inventory load rating (13,532 rated).

CR 59 vs every rated Minnesota bridge

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

32 Top 74% higher than 26% of 13,532 bridges

rated Minnesota 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

Culvert
8/9
Good (7–9)
Inventory Load Rating
32.4 t
NBI inventory level (metric tons)
Overall Condition
Good

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Rock inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 265 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
2015
Material
Concrete
Number of Spans
2
Structure Length
10.4 m (34 ft)
0
Owner
County Highway Agency
Avg Daily Traffic
21 vehicles/day
Structure Number
67K30

How to read this record

This page shows what the last federal inspection recorded, not whether CR 59 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 CR 59 against other structures in Rock and across Minnesota. Minnesota 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 CR 59?

CR 59 in Rock, Minnesota on the FHWA's 0–9 scale.

How often is CR 59 inspected?

CR 59'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 21 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CR 59 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 CR 59?

CR 59 has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining CR 59?

CR 59 is owned and maintained by County Highway Agency.

How old is CR 59 and does age affect safety?

CR 59 was built in 2015, making it 11 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

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.

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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.