FHWA NBI 2024 Inspection record Public-domain dataset

STH RAMP STH 54 WB

Carrying STH RAMP STH 54 WB over LAND

3.2M E JCT USH 41 TO S, Brown, Wisconsin

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
24 t Inventory load rating

Bridge Snapshot: STH RAMP STH 54 WB

The STH RAMP STH 54 WB bridge in Brown, Wisconsin carries STH RAMP STH 54 WB over LAND. It was built in 1973, making it 53 years old today. The structure is built primarily of concrete continuous and spans 4 sections, stretching 65.0 meters (213 feet) end to end. Daily traffic averages 1,800 vehicles, placing it in the moderately-trafficked tier of Wisconsin bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 5/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 24.3 metric tons.

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

How STH RAMP STH 54 WB compares

▼ 9.0
Load rating vs Wisconsin average (33.3 t)
Bottom 12%
Lower load rating than 88% of Wisconsin bridges
478
Bridges in Brown · 18 in Poor condition
STH RAMP STH 54 WB 24.3 t
Wisconsin average 33.3 t

Live comparison across Wisconsin.

Historical Sufficiency Rating

PlainBridge-computed
81.2 / 100 - historical 80–100 band
Structural adequacy /55
37.5
Serviceability /30
29.0
Essentiality /15
14.7
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 How the historical reference is calculated.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

Deck
6/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
24.3 t
NBI inventory level (metric tons)
Overall Condition
Fair

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
1973
Material
Concrete Continuous
Number of Spans
4
Structure Length
65.0 m (213 ft)
Deck Width
9.4 m (31 ft)
Owner
State Highway Agency
Avg Daily Traffic
1,800 vehicles/day
Structure Number
B05013400080000

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) rates fair at 6/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether STH RAMP STH 54 WB 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 RAMP STH 54 WB against other structures in Brown 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 RAMP STH 54 WB?

STH RAMP STH 54 WB in Brown, Wisconsin has a deck rating of 6/9, superstructure rating of 5/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is STH RAMP STH 54 WB inspected?

STH RAMP STH 54 WB'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 1,800 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. STH RAMP STH 54 WB 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 RAMP STH 54 WB?

STH RAMP STH 54 WB has an NBI inventory load rating of 24.3 metric tons.

Who is responsible for maintaining STH RAMP STH 54 WB?

STH RAMP STH 54 WB is owned and maintained by State Highway Agency.

How old is STH RAMP STH 54 WB and does age affect safety?

STH RAMP STH 54 WB was built in 1973, making it 53 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.