FHWA NBI 2024 Inspection record Public-domain dataset

STH 48

Carrying STH 48 over HICKEY CREEK

7.3M E JCT USH 63 TO N, Barron, Wisconsin

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
32 t Inventory load rating

Bridge Snapshot: STH 48

The STH 48 bridge in Barron, Wisconsin carries STH 48 over HICKEY CREEK. It was built in 1985, making it 41 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 6.3 meters (21 feet) end to end. Daily traffic averages 4,800 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 culvert at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 32.4 metric tons.

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

How STH 48 compares

▼ 0.9
Load rating vs Wisconsin average (33.3 t)
Bottom 32%
Lower load rating than 68% of Wisconsin bridges
321
Bridges in Barron · 17 in Poor condition
STH 48 32.4 t
Wisconsin average 33.3 t

Live comparison across Wisconsin.

Historical Sufficiency Rating

PlainBridge-computed
93.2 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
8.3
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 How the historical reference is calculated.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

Culvert
6/9
Fair (5–6)
Inventory Load Rating
32.4 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1985
Material
Concrete Continuous
Number of Spans
2
Structure Length
6.3 m (21 ft)
Owner
State Highway Agency
Avg Daily Traffic
4,800 vehicles/day
Structure Number
B03009500000000

How to read this record

This page shows what the last federal inspection recorded, not whether STH 48 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 48 against other structures in Barron 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 48?

STH 48 in Barron, Wisconsin on the FHWA's 0–9 scale.

How often is STH 48 inspected?

STH 48'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 4,800 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. STH 48 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 48?

STH 48 has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining STH 48?

STH 48 is owned and maintained by State Highway Agency.

How old is STH 48 and does age affect safety?

STH 48 was built in 1985, making it 41 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.