FHWA NBI 2024 Inspection record Public-domain dataset

LRD MAIN ST

Carrying LRD MAIN ST over SPRING CREEK

3.7M N JCT CTH JJ, Calumet, Wisconsin

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
18 t Inventory load rating

Bridge Snapshot: LRD MAIN ST

The LRD MAIN ST bridge in Calumet, Wisconsin carries LRD MAIN ST over SPRING CREEK. It was built in 1935, making it 91 years old today. It was last reconstructed in 1959, extending its service life. The structure is built primarily of concrete and spans 1 section, stretching 8.2 meters (27 feet) end to end. Daily traffic averages 5,900 vehicles, placing it in the moderately-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 4/9, superstructure at 4/9, substructure at 4/9. The weakest component sits in poor 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 17.8 metric tons.

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

How LRD MAIN ST compares

▼ 15.5
Load rating vs Wisconsin average (33.3 t)
Bottom 3%
Lower load rating than 97% of Wisconsin bridges
63
Bridges in Calumet · 11 in Poor condition
LRD MAIN ST 17.8 t
Wisconsin average 33.3 t

Live comparison across Wisconsin.

Historical Sufficiency Rating

PlainBridge-computed
51.2 / 100 - historical 50–79.9 band
Structural adequacy /55
11.8
Serviceability /30
25.0
Essentiality /15
14.4
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 How the historical reference is calculated.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

Deck
4/9
Poor (1–4)
Superstructure
4/9
Poor (1–4)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
17.8 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1935
Last Reconstructed
1959
Material
Concrete
Number of Spans
1
Structure Length
8.2 m (27 ft)
Deck Width
18.3 m (60 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
5,900 vehicles/day
Structure Number
B08000700000000

Condition Analysis

  • The deck (driving surface) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
  • The superstructure (beams and supports above the deck) is in poor condition (4/9), showing advanced deterioration that may require priority repair.
  • The substructure (piers and abutments) rates poor at 4/9, advanced deterioration that should be prioritized for repair.

How to read this record

LRD MAIN ST 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 LRD 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 LRD MAIN ST?

LRD MAIN ST in Calumet, Wisconsin has a deck rating of 4/9, superstructure rating of 4/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is LRD MAIN ST inspected?

LRD 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 5,900 vehicles per day.

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

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

LRD MAIN ST has an NBI inventory load rating of 17.8 metric tons.

Who is responsible for maintaining LRD MAIN ST?

LRD MAIN ST is owned and maintained by City/Municipal Highway Agency.

How old is LRD MAIN ST and does age affect safety?

LRD MAIN ST was built in 1935, making it 91 years old and last reconstructed in 1959.

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.