FHWA NBI 2024 Inspection record Public-domain dataset

LRD 270TH ST

Carrying LRD 270TH ST over GILBERT CREEK

0.4M S JCT STH 29, Dunn, Wisconsin

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
50 t Inventory load rating Higher than 98% of rated Wisconsin bridges

LRD 270TH ST in Dunn, Wisconsin is rated Fair in the FHWA's 2024 National Bridge Inventory.

Built in 1944, 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 WI:P17011400000000

PRE-1950 · STEEL · SINGLE-SPAN · TIED-CTRL · LOCAL-ADT · HEAVY-LOAD · CAT-FAIR

  • PRE-1950 Pre-1950
  • STEEL Steel
  • SINGLE-SPAN Single span
  • TIED-CTRL Tied control
  • LOCAL-ADT Local ADT
  • HEAVY-LOAD Heavy 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: LRD 270TH ST

The LRD 270TH ST bridge in Dunn, Wisconsin carries LRD 270TH ST over GILBERT CREEK. It was built in 1944, making it 82 years old today. The structure is built primarily of steel and spans 1 section, stretching 15.3 meters (50 feet) end to end. Daily traffic averages 53 vehicles, placing it in the lower-traffic tier of Wisconsin bridges. It is owned and maintained by Town/Township 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. No reported major component scores in the Poor range under the current federal condition thresholds.

How LRD 270TH ST compares

▲ 16.6
Load rating vs Wisconsin average (33.6 t; 14,446 rated)
245
Bridges in Dunn · 22 in Poor condition

Age against the county: built in 1944, earlier than 222 of Dunn's 245 bridges with a recorded construction year (91%), against a county median build year of 1987. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

LRD 270TH ST 50.2 t
Wisconsin average (14,446 rated) 33.6 t

Live comparison across Wisconsin bridges with a recorded inventory load rating (14,446 rated).

LRD 270TH ST vs every rated Wisconsin bridge

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

50 Top 2% higher than 98% of 14,446 bridges

rated Wisconsin 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
50.2 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.

Dunn inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 245 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
1944
Material
Steel
Number of Spans
1
Structure Length
15.3 m (50 ft)
Deck Width
6.6 m (22 ft)
Owner
Town/Township Highway Agency
Avg Daily Traffic
53 vehicles/day
Structure Number
P17011400000000

Condition Analysis

  • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) rates fair at 5/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether LRD 270TH ST 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 LRD 270TH ST against other structures in Dunn and across Wisconsin. Wisconsin 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 LRD 270TH ST?

LRD 270TH ST in Dunn, Wisconsin 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 LRD 270TH ST inspected?

LRD 270TH ST'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 53 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. LRD 270TH ST 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 LRD 270TH ST?

LRD 270TH ST has an NBI inventory load rating of 50.2 metric tons.

Who is responsible for maintaining LRD 270TH ST?

LRD 270TH ST is owned and maintained by Town/Township Highway Agency.

How old is LRD 270TH ST and does age affect safety?

LRD 270TH ST was built in 1944, making it 82 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.