FHWA NBI 2024 Inspection record Public-domain dataset

PALERMO-HONCUT HWY

Carrying PALERMO-HONCUT HWY over EAST BRANCH WYANDOTTE CR

1.5 MI N LOWER HONCUT RD, Butte, California

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
17 t Inventory load rating Lower than 94% of rated California bridges

PALERMO-HONCUT HWY in Butte, California sits above 6% of rated California bridges on inventory load rating (17 t), while its 1960 build year is earlier than 51% of Butte's recorded-year cohort (437 bridges).

PALERMO-HONCUT HWY in Butte, California is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1960, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 5. 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 CA:12C0113

INTERSTATE-ERA · STEEL · MULTI-SPAN · TIED-CTRL · LOCAL-ADT · LIGHT-LOAD · CAT-FAIR

  • INTERSTATE-ERA 1950–1979
  • STEEL Steel
  • MULTI-SPAN 2 spans
  • TIED-CTRL Tied control
  • LOCAL-ADT Local 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: PALERMO-HONCUT HWY

The PALERMO-HONCUT HWY bridge in Butte, California carries PALERMO-HONCUT HWY over EAST BRANCH WYANDOTTE CR. It was built in 1960, making it 66 years old today. The structure is built primarily of steel and spans 2 sections, stretching 11.3 meters (37 feet) end to end. Daily traffic averages 158 vehicles, placing it in the lower-traffic tier of California bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 5/9, substructure at 5/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range.

How PALERMO-HONCUT HWY compares

▼ 15.3
Load rating vs California average (32.1 t; 25,538 of 25,848 rated)
437
Bridges in Butte · 27 in Poor condition

Age against the county: built in 1960, earlier than 224 of Butte's 437 bridges with a recorded construction year (51%), against a county median build year of 1961. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

PALERMO-HONCUT HWY 16.8 t
California average (25,538 of 25,848 rated) 32.1 t

Live comparison across California bridges with a recorded inventory load rating (25,538 of 25,848 rated).

PALERMO-HONCUT HWY vs every rated California bridge

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

17 Top 94% higher than 6% of 25,538 bridges

rated California 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
5/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
16.8 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.

Butte inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 437 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
1960
Material
Steel
Number of Spans
2
Structure Length
11.3 m (37 ft)
Deck Width
7.4 m (24 ft)
Owner
County Highway Agency
Avg Daily Traffic
158 vehicles/day
Structure Number
12C0113

Condition Analysis

  • At 5/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • At 5/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • At 5/9, 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 PALERMO-HONCUT HWY 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 PALERMO-HONCUT HWY against other structures in Butte and across California. California 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 PALERMO-HONCUT HWY?

PALERMO-HONCUT HWY in Butte, California has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is PALERMO-HONCUT HWY inspected?

PALERMO-HONCUT HWY'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 158 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. PALERMO-HONCUT HWY 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 PALERMO-HONCUT HWY?

PALERMO-HONCUT HWY has an NBI inventory load rating of 16.8 metric tons.

Who is responsible for maintaining PALERMO-HONCUT HWY?

PALERMO-HONCUT HWY is owned and maintained by County Highway Agency.

How old is PALERMO-HONCUT HWY and does age affect safety?

PALERMO-HONCUT HWY was built in 1960, making it 66 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.