FHWA NBI 2024 Inspection record Public-domain dataset

CTH PP MAIN ST

Carrying CTH PP MAIN ST over SPRING CREEK

0.1M N JCT USH 10, Calumet, Wisconsin

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
24 t Inventory load rating

Bridge Snapshot: CTH PP MAIN ST

The CTH PP MAIN ST bridge in Calumet, Wisconsin carries CTH PP MAIN ST over SPRING CREEK. It was built in 1972, making it 54 years old today. The structure is built primarily of steel and spans 2 sections, stretching 7.2 meters (24 feet) end to end. Daily traffic averages 2,900 vehicles, placing it in the moderately-trafficked 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. 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 CTH PP MAIN ST compares

▼ 9.0
Load rating vs Wisconsin average (33.3 t)
Bottom 12%
Lower load rating than 88% of Wisconsin bridges
63
Bridges in Calumet · 11 in Poor condition
CTH PP MAIN ST 24.3 t
Wisconsin average 33.3 t

Live comparison across Wisconsin.

Historical Sufficiency Rating

PlainBridge-computed
88.9 / 100 - historical 80–100 band
Structural adequacy /55
47.5
Serviceability /30
30.0
Essentiality /15
11.4
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 How the historical reference is calculated.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
7/9
Good (7–9)
Inventory Load Rating
24.3 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1972
Material
Steel
Number of Spans
2
Structure Length
7.2 m (24 ft)
Owner
County Highway Agency
Avg Daily Traffic
2,900 vehicles/day
Structure Number
P08070000000000

How to read this record

This page shows what the last federal inspection recorded, not whether CTH PP MAIN 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 CTH PP MAIN ST against other structures in Calumet 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 PP MAIN ST?

CTH PP MAIN ST in Calumet, Wisconsin on the FHWA's 0–9 scale.

How often is CTH PP MAIN ST inspected?

CTH PP MAIN 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 2,900 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CTH PP MAIN ST 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 PP MAIN ST?

CTH PP MAIN ST has an NBI inventory load rating of 24.3 metric tons.

Who is responsible for maintaining CTH PP MAIN ST?

CTH PP MAIN ST is owned and maintained by County Highway Agency.

How old is CTH PP MAIN ST and does age affect safety?

CTH PP MAIN ST was built in 1972, making it 54 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.