FHWA NBI 2024 Inspection record Public-domain dataset

CR 146

Carrying CR 146 over PERCH CREEK

0.6 MI N OF JCT TH 30, Blue Earth, Minnesota

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
20 t Inventory load rating Lower than 96% of rated Minnesota bridges

CR 146 in Blue Earth, Minnesota sits above 4% of rated Minnesota bridges on inventory load rating (20 t), while its 1940 build year is earlier than 94% of Blue Earth's recorded-year cohort (193 bridges).

CR 146 in Blue Earth, Minnesota is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1940, it carries 1 rated component 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 MN:90523

PRE-1950 · CONCRETE · MULTI-SPAN · CULVERT-LED · LOCAL-ADT · LIGHT-LOAD · CAT-POOR

  • PRE-1950 Pre-1950
  • CONCRETE Concrete
  • MULTI-SPAN 3 spans
  • CULVERT-LED Culvert-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: CR 146

The CR 146 bridge in Blue Earth, Minnesota carries CR 146 over PERCH CREEK. It was built in 1940, making it 86 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 10.2 meters (33 feet) end to end. Daily traffic averages 156 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 4/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed.

How CR 146 compares

▼ 16.2
Load rating vs Minnesota average (35.8 t; 13,532 rated)
193
Bridges in Blue Earth · 14 in Poor condition

Age against the county: built in 1940, earlier than 181 of Blue Earth's 193 bridges with a recorded construction year (94%), against a county median build year of 1979. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

CR 146 19.6 t
Minnesota average (13,532 rated) 35.8 t

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

CR 146 vs every rated Minnesota bridge

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

20 Top 96% higher than 4% 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
4/9
Poor (1–4)
Inventory Load Rating
19.6 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Blue Earth inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 193 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
1940
Material
Concrete
Number of Spans
3
Structure Length
10.2 m (33 ft)
Deck Width
7.9 m (26 ft)
Owner
County Highway Agency
Avg Daily Traffic
156 vehicles/day
Structure Number
90523

How to read this record

CR 146 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 CR 146 against other structures in Blue Earth 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 146?

CR 146 in Blue Earth, Minnesota on the FHWA's 0–9 scale.

How often is CR 146 inspected?

CR 146'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 156 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CR 146 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 CR 146?

CR 146 has an NBI inventory load rating of 19.6 metric tons.

Who is responsible for maintaining CR 146?

CR 146 is owned and maintained by County Highway Agency.

How old is CR 146 and does age affect safety?

CR 146 was built in 1940, making it 86 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.