IH I-41/USH 41/USH
Carrying IH I-41/USH 41/USH over WISC & SOUTHERN RR
6.8 MI N JCT STH 74 TO E, Washington, Wisconsin
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
IH I-41/USH 41/USH in Washington, Wisconsin sits above 17% of rated Wisconsin bridges on inventory load rating (26 t), while its 1952 build year is earlier than 88% of Washington's recorded-year cohort (162 bridges).
IH I-41/USH 41/USH in Washington, Wisconsin is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1952, it carries 3 rated components 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 WI:B66000100000000
INTERSTATE-ERA · STEEL · MULTI-SPAN · TIED-CTRL · HEAVY-ADT · STANDARD-LOAD · CAT-FAIR
- INTERSTATE-ERA 1950–1979
- STEEL Steel
- MULTI-SPAN 3 spans
- TIED-CTRL Tied control
- HEAVY-ADT Heavy 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: IH I-41/USH 41/USH
The IH I-41/USH 41/USH bridge in Washington, Wisconsin carries IH I-41/USH 41/USH over WISC & SOUTHERN RR. It was built in 1952, making it 74 years old today. It was last reconstructed in 1970, extending its service life. The structure is built primarily of steel continuous and spans 3 sections, stretching 53.2 meters (175 feet) end to end. Daily traffic averages 35,400 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 6/9, superstructure at 7/9, substructure at 6/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds.
How IH I-41/USH 41/USH compares
Age against the county: built in 1952, earlier than 142 of Washington's 162 bridges with a recorded construction year (88%), against a county median build year of 1989. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Wisconsin bridges with a recorded inventory load rating (14,446 rated).
IH I-41/USH 41/USH vs every rated Wisconsin bridge
Inventory load rating (metric tons), FHWA NBI, this state
26 Top 83% higher than 17% 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
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.
Washington inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 162 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
- 1952
- Last Reconstructed
- 1970
- Material
- Steel Continuous
- Number of Spans
- 3
- Structure Length
- 53.2 m (175 ft)
- Deck Width
- 21.0 m (69 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 35,400 vehicles/day
- Structure Number
- B66000100000000
Condition Analysis
- • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
- • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
- • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether IH I-41/USH 41/USH 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 I-41/USH 41/USH against other structures in Washington 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 I-41/USH 41/USH?
IH I-41/USH 41/USH in Washington, Wisconsin has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is IH I-41/USH 41/USH inspected?
IH I-41/USH 41/USH'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 35,400 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. IH I-41/USH 41/USH 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 IH I-41/USH 41/USH?
IH I-41/USH 41/USH has an NBI inventory load rating of 25.9 metric tons.
Who is responsible for maintaining IH I-41/USH 41/USH?
IH I-41/USH 41/USH is owned and maintained by State Highway Agency.
How old is IH I-41/USH 41/USH and does age affect safety?
IH I-41/USH 41/USH was built in 1952, making it 74 years old and last reconstructed in 1970.
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.
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.
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.