FHWA NBI 2024 Inspection record Public-domain dataset

STH 36

Carrying STH 36 over STH 11 & WHITE RIVER

AT STH 36, Walworth, Wisconsin

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Unknown

Bridge Snapshot: STH 36

The STH 36 bridge in Walworth, Wisconsin carries STH 36 over STH 11 & WHITE RIVER. It was built in 2009, making it 17 years old today. The structure is built primarily of concrete. Daily traffic averages 7,500 vehicles, placing it in the moderately-trafficked tier of Wisconsin bridges.

The latest FHWA inspection records show limited component ratings on file. The weakest component sits in unrated condition. All reported major components score above the Poor range.

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

How STH 36 compares

209
Bridges in Walworth · 8 in Poor condition

Live comparison across Wisconsin.

Historical Sufficiency Rating

PlainBridge-computed
99.3 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
14.3
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 How the historical reference is calculated.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

Overall Condition
Unrated

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
2009
Material
Concrete
Avg Daily Traffic
7,500 vehicles/day
Structure Number
B64016200000000

How to read this record

This page shows what the last federal inspection recorded, not whether STH 36 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 STH 36 against other structures in Walworth 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 STH 36?

STH 36 in Walworth, Wisconsin on the FHWA's 0–9 scale.

How often is STH 36 inspected?

STH 36'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 7,500 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. STH 36 is currently shown as unrated condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for STH 36?

An inventory load rating is not recorded for STH 36.

Who is responsible for maintaining STH 36?

Ownership is not specified for STH 36 in the NBI.

How old is STH 36 and does age affect safety?

STH 36 was built in 2009, making it 17 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.