STH 23 (ERIE ST)
Carrying STH 23 (ERIE ST) over CNW RR
2.8M E JCT IH 43 TO S, Sheboygan, Wisconsin
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: STH 23 (ERIE ST)
The STH 23 (ERIE ST) bridge in Sheboygan, Wisconsin carries STH 23 (ERIE ST) over CNW RR. It was built in 1980, making it 46 years old today. It was last reconstructed in 1997, extending its service life. The structure is built primarily of concrete continuous and spans 3 sections, stretching 30.6 meters (100 feet) end to end. Daily traffic averages 19,500 vehicles, placing it in the heavily-trafficked tier of Wisconsin bridges. It is owned and maintained by City/Municipal Highway Agency.
The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 7/9. 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 38.9 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How STH 23 (ERIE ST) 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 How the historical reference is calculated.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
- 1980
- Last Reconstructed
- 1997
- Material
- Concrete Continuous
- Number of Spans
- 3
- Structure Length
- 30.6 m (100 ft)
- Deck Width
- 22.6 m (74 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 19,500 vehicles/day
- Structure Number
- B59010500000000
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
- • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
- • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.
How to read this record
This page shows what the last federal inspection recorded, not whether STH 23 (ERIE ST) 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 23 (ERIE ST) against other structures in Sheboygan 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 23 (ERIE ST)?
STH 23 (ERIE ST) in Sheboygan, Wisconsin has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is STH 23 (ERIE ST) inspected?
STH 23 (ERIE ST)'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 19,500 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. STH 23 (ERIE ST) 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 STH 23 (ERIE ST)?
STH 23 (ERIE ST) has an NBI inventory load rating of 38.9 metric tons.
Who is responsible for maintaining STH 23 (ERIE ST)?
STH 23 (ERIE ST) is owned and maintained by City/Municipal Highway Agency.
How old is STH 23 (ERIE ST) and does age affect safety?
STH 23 (ERIE ST) was built in 1980, making it 46 years old and last reconstructed in 1997.
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.