CTH AA
Carrying CTH AA over TRIB TO PINE RIVER
1.0M N OF JCT STH 56/80, Richland, Wisconsin
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: CTH AA
The CTH AA bridge in Richland, Wisconsin carries CTH AA over TRIB TO PINE RIVER. It was built in 1997, making it 29 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 9.2 meters (30 feet) end to end. Daily traffic averages 1,068 vehicles, placing it in the moderately-trafficked tier of Wisconsin bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show culvert 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. Its NBI inventory load rating is 25.9 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How CTH AA compares
Live comparison across Wisconsin.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1997
- Material
- Concrete Continuous
- Number of Spans
- 2
- Structure Length
- 9.2 m (30 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 1,068 vehicles/day
- Structure Number
- B52021100000000
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 CTH AA 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 AA against other structures in Richland 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 AA?
CTH AA in Richland, Wisconsin on the FHWA's 0–9 scale.
How often is CTH AA inspected?
CTH AA'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 1,068 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. CTH AA 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 CTH AA?
CTH AA has an NBI inventory load rating of 25.9 metric tons.
Who is responsible for maintaining CTH AA?
CTH AA is owned and maintained by County Highway Agency.
How old is CTH AA and does age affect safety?
CTH AA was built in 1997, making it 29 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.
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.