FHWA NBI 2024 Inspection record Public-domain dataset

HWY 382

Carrying HWY 382 over SMALL NATURAL STREAM

081061407, Johnson, Iowa

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
36 t Inventory load rating Higher than 73% of rated Iowa bridges

HWY 382 in Johnson, Iowa is rated Fair in the FHWA's 2024 National Bridge Inventory.

Built in 1962, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. 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 IA:000000000031900

INTERSTATE-ERA · CONCRETE · MULTI-SPAN · CULVERT-LED · ARTERIAL-ADT · STANDARD-LOAD · CAT-FAIR

  • INTERSTATE-ERA 1950–1979
  • CONCRETE Concrete
  • MULTI-SPAN 3 spans
  • CULVERT-LED Culvert-led
  • ARTERIAL-ADT Arterial ADT
  • STANDARD-LOAD Standard 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: HWY 382

The HWY 382 bridge in Johnson, Iowa carries HWY 382 over SMALL NATURAL STREAM. It was built in 1962, making it 64 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 11.6 meters (38 feet) end to end. Daily traffic averages 3,810 vehicles, placing it in the moderately-trafficked tier of Iowa bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show culvert at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range.

How HWY 382 compares

▲ 5.6
Load rating vs Iowa average (30.4 t; 23,718 of 23,719 rated)
372
Bridges in Johnson · 38 in Poor condition

Age against the county: built in 1962, earlier than 289 of Johnson's 372 bridges with a recorded construction year (78%), 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.

HWY 382 36.0 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).

HWY 382 vs every rated Iowa bridge

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

36 Top 27% higher than 73% 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

Culvert
6/9
Fair (5–6)
Inventory Load Rating
36.0 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Johnson inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 372 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
1962
Material
Concrete Continuous
Number of Spans
3
Structure Length
11.6 m (38 ft)
0
Owner
City/Municipal Highway Agency
Avg Daily Traffic
3,810 vehicles/day
Structure Number
000000000031900

How to read this record

This page shows what the last federal inspection recorded, not whether HWY 382 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 HWY 382 against other structures in Johnson 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 HWY 382?

HWY 382 in Johnson, Iowa on the FHWA's 0–9 scale.

How often is HWY 382 inspected?

HWY 382'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 3,810 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. HWY 382 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 HWY 382?

HWY 382 has an NBI inventory load rating of 36.0 metric tons.

Who is responsible for maintaining HWY 382?

HWY 382 is owned and maintained by City/Municipal Highway Agency.

How old is HWY 382 and does age affect safety?

HWY 382 was built in 1962, making it 64 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.