FHWA NBI 2024 Inspection record Public-domain dataset

IH 41 SB

Carrying IH 41 SB over CTH LOMBARDI AVE (CTH VK

1.4 MILES S JCT 54 TO W, Brown, Wisconsin

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
32 t Inventory load rating Lower than 68% of rated Wisconsin bridges

IH 41 SB in Brown, Wisconsin sits above 32% of rated Wisconsin bridges on inventory load rating (32 t), while its 2015 build year is earlier than 10% of Brown's recorded-year cohort (466 bridges).

IH 41 SB in Brown, Wisconsin is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 2015, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good 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:B05063200000000

POST-2000 · PRESTRESS · SINGLE-SPAN · DECK-LED · HEAVY-ADT · STANDARD-LOAD · CAT-GOOD

  • POST-2000 2000+
  • PRESTRESS Prestressed concrete
  • SINGLE-SPAN Single span
  • DECK-LED Deck-led
  • HEAVY-ADT Heavy ADT
  • STANDARD-LOAD Standard load
  • CAT-GOOD Good

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: IH 41 SB

The IH 41 SB bridge in Brown, Wisconsin carries IH 41 SB over CTH LOMBARDI AVE (CTH VK. It was built in 2015, making it 11 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 46.9 meters (154 feet) end to end. Daily traffic averages 42,400 vehicles, placing it in the heavily-trafficked tier of Wisconsin bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 8/9, substructure at 8/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range.

How IH 41 SB compares

▼ 1.2
Load rating vs Wisconsin average (33.6 t; 14,446 rated)
466
Bridges in Brown · 18 in Poor condition

Age against the county: built in 2015, earlier than 48 of Brown's 466 bridges with a recorded construction year (10%), against a county median build year of 1987. This is one of the newer structures in its county.

IH 41 SB 32.4 t
Wisconsin average (14,446 rated) 33.6 t

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

IH 41 SB vs every rated Wisconsin bridge

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

32 Top 68% higher than 32% 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
8/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
32.4 t
NBI inventory level (metric tons)
Overall Condition
Good

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.

Brown inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 466 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
2015
Material
Prestressed Concrete
Number of Spans
1
Structure Length
46.9 m (154 ft)
Deck Width
24.3 m (80 ft)
Owner
State Highway Agency
Avg Daily Traffic
42,400 vehicles/day
Structure Number
B05063200000000

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • At 8/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • The substructure (piers and abutments) rates good at 8/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether IH 41 SB 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 IH 41 SB against other structures in Brown 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 IH 41 SB?

IH 41 SB in Brown, Wisconsin has a deck rating of 7/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is IH 41 SB inspected?

IH 41 SB'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 42,400 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. IH 41 SB is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for IH 41 SB?

IH 41 SB has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining IH 41 SB?

IH 41 SB is owned and maintained by State Highway Agency.

How old is IH 41 SB and does age affect safety?

IH 41 SB was built in 2015, making it 11 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.