FHWA NBI 2024 Inspection record Public-domain dataset

STH 27

Carrying STH 27 over STH 29

3.0M E JCT CTH XX, Chippewa, Wisconsin

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Unknown

Bridge Snapshot: STH 27

The STH 27 bridge in Chippewa, Wisconsin carries STH 27 over STH 29. It was built in 1992, making it 34 years old today. The structure is built primarily of prestressed concrete continuous. Daily traffic averages 16,000 vehicles, placing it in the heavily-trafficked tier of Wisconsin bridges.

The latest FHWA inspection records show limited component ratings on file. The weakest component sits in unrated condition. None of this bridge's reported major components fall into the Poor condition range.

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

How STH 27 compares

366
Bridges in Chippewa · 31 in Poor condition

Live comparison across Wisconsin.

Historical Sufficiency Rating

PlainBridge-computed
95.5 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
29.0
Essentiality /15
11.5
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 How the historical reference is calculated.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
1992
Material
Prestressed Concrete Continuous
Avg Daily Traffic
16,000 vehicles/day
Structure Number
B09017900000000

How to read this record

This page shows what the last federal inspection recorded, not whether STH 27 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 27 against other structures in Chippewa 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 27?

STH 27 in Chippewa, Wisconsin on the FHWA's 0–9 scale.

How often is STH 27 inspected?

STH 27'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 16,000 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. STH 27 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 27?

An inventory load rating is not recorded for STH 27.

Who is responsible for maintaining STH 27?

Ownership is not specified for STH 27 in the NBI.

How old is STH 27 and does age affect safety?

STH 27 was built in 1992, making it 34 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.