FHWA NBI 2024 Inspection record Public-domain dataset

CSAH 42

Carrying CSAH 42 over SAND HILL RIVER

1.9 MI N OF JCT CSAH 9, Norman, Minnesota

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
11 t Inventory load rating Lower than 99% of rated Minnesota bridges

CSAH 42 in Norman, Minnesota sits above 1% of rated Minnesota bridges on inventory load rating (11 t), while its 1959 build year is earlier than 89% of Norman's recorded-year cohort (149 bridges).

CSAH 42 in Norman, Minnesota is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1959, it carries 3 rated components 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:89595

INTERSTATE-ERA · TIMBER · MULTI-SPAN · SUB-LED · LOCAL-ADT · LIGHT-LOAD · CAT-POOR

  • INTERSTATE-ERA 1950–1979
  • TIMBER Wood or timber
  • MULTI-SPAN 2 spans
  • SUB-LED Substructure-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: CSAH 42

The CSAH 42 bridge in Norman, Minnesota carries CSAH 42 over SAND HILL RIVER. It was built in 1959, making it 67 years old today. The structure is built primarily of wood or timber and spans 2 sections, stretching 13.2 meters (43 feet) end to end. Daily traffic averages 205 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 a deck rating of 5/9, superstructure at 6/9, substructure at 4/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules.

How CSAH 42 compares

▼ 24.4
Load rating vs Minnesota average (35.8 t; 13,532 rated)
149
Bridges in Norman · 5 in Poor condition

Age against the county: built in 1959, earlier than 133 of Norman's 149 bridges with a recorded construction year (89%), against a county median build year of 1981. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

CSAH 42 11.4 t
Minnesota average (13,532 rated) 35.8 t

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

CSAH 42 vs every rated Minnesota bridge

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

11 Top 99% higher than 1% 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

Deck
5/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
11.4 t
NBI inventory level (metric tons)
Overall Condition
Poor

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.

Norman inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 149 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
1959
Material
Wood or Timber
Number of Spans
2
Structure Length
13.2 m (43 ft)
Deck Width
7.9 m (26 ft)
Owner
County Highway Agency
Avg Daily Traffic
205 vehicles/day
Structure Number
89595

Condition Analysis

  • At 5/9, 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.
  • The substructure (piers and abutments) rates poor at 4/9, with advanced deterioration recorded on the latest inspection.

How to read this record

CSAH 42 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 CSAH 42 against other structures in Norman 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 CSAH 42?

CSAH 42 in Norman, Minnesota has a deck rating of 5/9, superstructure rating of 6/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is CSAH 42 inspected?

CSAH 42'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 205 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CSAH 42 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 CSAH 42?

CSAH 42 has an NBI inventory load rating of 11.4 metric tons.

Who is responsible for maintaining CSAH 42?

CSAH 42 is owned and maintained by County Highway Agency.

How old is CSAH 42 and does age affect safety?

CSAH 42 was built in 1959, making it 67 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.