STH 22
Carrying STH 22 over EMBARRASS RIVER
44°41'31.8"N 88°42'03.3, Shawano, Wisconsin
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: STH 22
The STH 22 bridge in Shawano, Wisconsin carries STH 22 over EMBARRASS RIVER. It does not have a recorded construction year in the NBI. The structure is built primarily of concrete, stretching 68000.5 meters (223110 feet) end to end. Daily traffic averages 40 vehicles, placing it in the lower-traffic tier of Wisconsin bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show a deck rating of 0/9, superstructure at 7/9, substructure at 7/9, culvert at 8/9. The weakest component sits in critical condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 14.0 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How STH 22 compares
Live comparison across Wisconsin.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Material
- Concrete
- Structure Length
- 68000.5 m (223110 ft)
- Deck Width
- 340.1 m (1116 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 40 vehicles/day
- Structure Number
- B58011100000000
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • At 0/9, the deck (driving surface) is in critical shape, with severe wear requiring urgent action.
- • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
- • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.
How to read this record
STH 22 is in the federal Poor condition category. That is a component-based result, not a closure order.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
- Compare STH 22 against other structures in Shawano 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 22?
STH 22 in Shawano, Wisconsin has a deck rating of 0/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is STH 22 inspected?
STH 22'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 40 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. STH 22 is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for STH 22?
STH 22 has an NBI inventory load rating of 14.0 metric tons.
Who is responsible for maintaining STH 22?
STH 22 is owned and maintained by State Highway Agency.
How old is STH 22 and does age affect safety?
The construction year for STH 22 is not recorded in the NBI.
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.