FHWA NBI 2024 Inspection record Public-domain dataset

IH 41/USH 45 SB

Carrying IH 41/USH 45 SB over BONNIWELL CREEK

0.7 MI S JCT STH 145, Washington, Wisconsin

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
32 t Inventory load rating

Bridge Snapshot: IH 41/USH 45 SB

The IH 41/USH 45 SB bridge in Washington, Wisconsin carries IH 41/USH 45 SB over BONNIWELL CREEK. It was built in 2015, making it 11 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 6.8 meters (22 feet) end to end. Daily traffic averages 31,550 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 culvert at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 32.4 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How IH 41/USH 45 SB compares

▼ 0.9
Load rating vs Wisconsin average (33.3 t)
Bottom 32%
Lower load rating than 68% of Wisconsin bridges
166
Bridges in Washington · 13 in Poor condition
IH 41/USH 45 SB 32.4 t
Wisconsin average 33.3 t

Live comparison across Wisconsin.

Historical Sufficiency Rating

PlainBridge-computed
81.2 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
15.0
Essentiality /15
11.2
Special reductions
0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Culvert
7/9
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.

Structural Details

Year Built
2015
Material
Concrete
Number of Spans
2
Structure Length
6.8 m (22 ft)
Owner
State Highway Agency
Avg Daily Traffic
31,550 vehicles/day
Structure Number
B66019500000000

How to read this record

This page shows what the last federal inspection recorded, not whether IH 41/USH 45 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/USH 45 SB 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 41/USH 45 SB?

IH 41/USH 45 SB in Washington, Wisconsin on the FHWA's 0–9 scale.

How often is IH 41/USH 45 SB inspected?

IH 41/USH 45 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 31,550 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. IH 41/USH 45 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/USH 45 SB?

IH 41/USH 45 SB has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining IH 41/USH 45 SB?

IH 41/USH 45 SB is owned and maintained by State Highway Agency.

How old is IH 41/USH 45 SB and does age affect safety?

IH 41/USH 45 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

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.