FHWA NBI 2024 Inspection record Public-domain dataset

LOCAL

Carrying LOCAL over DRAINAGE DITCH

098260401, Winnebago, Iowa

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
29 t Inventory load rating Lower than 57% of rated Iowa bridges

LOCAL in Winnebago, Iowa sits above 43% of rated Iowa bridges on inventory load rating (29 t), while its 1985 build year is earlier than 53% of Winnebago's recorded-year cohort (55 bridges).

LOCAL in Winnebago, Iowa is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1985, 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 IA:000000000344631

LATE-CENTURY · TIMBER · MULTI-SPAN · SUB-LED · TRACE-ADT · STANDARD-LOAD · CAT-POOR

  • LATE-CENTURY 1980–1999
  • TIMBER Wood or timber
  • MULTI-SPAN 3 spans
  • SUB-LED Substructure-led
  • TRACE-ADT Trace ADT
  • STANDARD-LOAD Standard 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: LOCAL

The LOCAL bridge in Winnebago, Iowa carries LOCAL over DRAINAGE DITCH. It was built in 1985, making it 41 years old today. The structure is built primarily of wood or timber and spans 3 sections, stretching 13.7 meters (45 feet) end to end. Daily traffic averages 26 vehicles, placing it in the lower-traffic tier of Iowa bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure 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 LOCAL compares

▼ 1.1
Load rating vs Iowa average (30.4 t; 23,718 of 23,719 rated)
55
Bridges in Winnebago · 18 in Poor condition

Age against the county: built in 1985, earlier than 29 of Winnebago's 55 bridges with a recorded construction year (53%), against a county median build year of 1988. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

LOCAL 29.3 t
Iowa average (23,718 of 23,719 rated) 30.4 t

Live comparison across Iowa bridges with a recorded inventory load rating (23,718 of 23,719 rated).

LOCAL vs every rated Iowa bridge

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

29 Top 57% higher than 43% of 23,718 bridges

rated Iowa 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
4/9
Poor (1–4)
Inventory Load Rating
29.3 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.

Winnebago inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 55 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
1985
Material
Wood or Timber
Number of Spans
3
Structure Length
13.7 m (45 ft)
Deck Width
7.3 m (24 ft)
Owner
County Highway Agency
Avg Daily Traffic
26 vehicles/day
Structure Number
000000000344631

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • At 4/9, the substructure (piers and abutments) is in poor shape, with advanced wear on file for this vintage.

How to read this record

LOCAL 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 LOCAL against other structures in Winnebago and across Iowa. Iowa 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 LOCAL?

LOCAL in Winnebago, Iowa has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is LOCAL inspected?

LOCAL'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 26 vehicles per day.

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

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

LOCAL has an NBI inventory load rating of 29.3 metric tons.

Who is responsible for maintaining LOCAL?

LOCAL is owned and maintained by County Highway Agency.

How old is LOCAL and does age affect safety?

LOCAL was built in 1985, making it 41 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.