FHWA NBI 2024 Inspection record Public-domain dataset

LRD SOUTH DRIVE

Carrying LRD SOUTH DRIVE over W BR MONTREAL RIVER

1.3M S JCT USH 2, Iron, Wisconsin

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
37 t Inventory load rating Higher than 64% of rated Wisconsin bridges

LRD SOUTH DRIVE in Iron, Wisconsin sits above 64% of rated Wisconsin bridges on inventory load rating (37 t), while its 1993 build year is earlier than 48% of Iron's recorded-year cohort (48 bridges).

LRD SOUTH DRIVE in Iron, Wisconsin is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1993, 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:B26002400000000

LATE-CENTURY · CONCRETE · MULTI-SPAN · SUB-LED · LOCAL-ADT · STANDARD-LOAD · CAT-FAIR

  • LATE-CENTURY 1980–1999
  • CONCRETE Concrete
  • MULTI-SPAN 2 spans
  • SUB-LED Substructure-led
  • LOCAL-ADT Local 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: LRD SOUTH DRIVE

The LRD SOUTH DRIVE bridge in Iron, Wisconsin carries LRD SOUTH DRIVE over W BR MONTREAL RIVER. It was built in 1993, making it 33 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 18.2 meters (60 feet) end to end. Daily traffic averages 85 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 7/9, superstructure at 7/9, substructure at 5/9. The weakest component sits in fair condition. All reported major components score above the Poor range.

How LRD SOUTH DRIVE compares

▲ 3.7
Load rating vs Wisconsin average (33.6 t; 14,446 rated)
48
Bridges in Iron · 4 in Poor condition

Age against the county: built in 1993, earlier than 23 of Iron's 48 bridges with a recorded construction year (48%), against a county median build year of 1991. This is one of the newer structures in its county.

LRD SOUTH DRIVE 37.3 t
Wisconsin average (14,446 rated) 33.6 t

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

LRD SOUTH DRIVE vs every rated Wisconsin bridge

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

37 Top 36% higher than 64% 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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
37.3 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.

Iron inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 48 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
1993
Material
Concrete Continuous
Number of Spans
2
Structure Length
18.2 m (60 ft)
Deck Width
7.9 m (26 ft)
Owner
Town/Township Highway Agency
Avg Daily Traffic
85 vehicles/day
Structure Number
B26002400000000

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
  • 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 LRD SOUTH DRIVE 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 SOUTH DRIVE against other structures in Iron 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 SOUTH DRIVE?

LRD SOUTH DRIVE in Iron, Wisconsin has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is LRD SOUTH DRIVE inspected?

LRD SOUTH DRIVE'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 85 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. LRD SOUTH DRIVE 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 SOUTH DRIVE?

LRD SOUTH DRIVE has an NBI inventory load rating of 37.3 metric tons.

Who is responsible for maintaining LRD SOUTH DRIVE?

LRD SOUTH DRIVE is owned and maintained by Town/Township Highway Agency.

How old is LRD SOUTH DRIVE and does age affect safety?

LRD SOUTH DRIVE was built in 1993, making it 33 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.