FHWA NBI 2024 Inspection record Public-domain dataset

CTH GG

Carrying CTH GG over IH 41

AT CTH GG, Winnebago, Wisconsin

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Unknown

Bridge Snapshot: CTH GG

The CTH GG bridge in Winnebago, Wisconsin carries CTH GG over IH 41. It was built in 2014, making it 12 years old today. The structure is built primarily of prestressed concrete. Daily traffic averages 59,900 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. No reported major component scores in the Poor range under the current federal condition thresholds.

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

How CTH GG compares

264
Bridges in Winnebago · 9 in Poor condition

Live comparison across Wisconsin.

Historical Sufficiency Rating

PlainBridge-computed
99.6 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
14.6
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 How the historical reference is calculated.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
2014
Material
Prestressed Concrete
Avg Daily Traffic
59,900 vehicles/day
Structure Number
B70028700000000

How to read this record

This page shows what the last federal inspection recorded, not whether CTH GG 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 CTH GG against other structures in Winnebago 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 CTH GG?

CTH GG in Winnebago, Wisconsin on the FHWA's 0–9 scale.

How often is CTH GG inspected?

CTH GG'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 59,900 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CTH GG 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 CTH GG?

An inventory load rating is not recorded for CTH GG.

Who is responsible for maintaining CTH GG?

Ownership is not specified for CTH GG in the NBI.

How old is CTH GG and does age affect safety?

CTH GG was built in 2014, making it 12 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.