CTH GG
Carrying CTH GG over PAPERJACK CREEK
TN ERIN PRAIRIE, St. Croix, Wisconsin
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
CTH GG in St. Croix, Wisconsin is rated Good in the FHWA's 2024 National Bridge Inventory.
Built in 2002, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure WI:B55020300000000
POST-2000 · CONCRETE · MULTI-SPAN · CULVERT-LED · LOCAL-ADT · STANDARD-LOAD · CAT-GOOD
- POST-2000 2000+
- CONCRETE Concrete
- MULTI-SPAN 2 spans
- CULVERT-LED Culvert-led
- LOCAL-ADT Local ADT
- STANDARD-LOAD Standard load
- CAT-GOOD Good
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: CTH GG
The CTH GG bridge in St. Croix, Wisconsin carries CTH GG over PAPERJACK CREEK. It was built in 2002, making it 24 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 7.2 meters (24 feet) end to end. Daily traffic averages 844 vehicles, placing it in the lower-traffic tier of Wisconsin bridges. It is owned and maintained by County 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.
How CTH GG compares
Age against the county: built in 2002, earlier than 78 of St. Croix's 298 bridges with a recorded construction year (26%), against a county median build year of 1990. This is one of the newer structures in its county.
Live comparison across Wisconsin bridges with a recorded inventory load rating (14,446 rated).
CTH GG vs every rated Wisconsin bridge
Inventory load rating (metric tons), FHWA NBI, this state
29 Top 76% higher than 24% of 14,446 bridges
rated Wisconsin bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
St. Croix inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 298 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 2002
- Material
- Concrete
- Number of Spans
- 2
- Structure Length
- 7.2 m (24 ft) 0
- Owner
- County Highway Agency
- Avg Daily Traffic
- 844 vehicles/day
- Structure Number
- B55020300000000
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 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 St. Croix 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 St. Croix, 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 844 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 Good condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for CTH GG?
CTH GG has an NBI inventory load rating of 29.2 metric tons.
Who is responsible for maintaining CTH GG?
CTH GG is owned and maintained by County Highway Agency.
How old is CTH GG and does age affect safety?
CTH GG was built in 2002, making it 24 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.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.