FHWA NBI 2024 Inspection record Public-domain dataset

LRD 360TH ST (DEAD

Carrying LRD 360TH ST (DEAD over CLACK CREEK

0.3M N JCT STH 79, Dunn, Wisconsin

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
28 t Inventory load rating

Bridge Snapshot: LRD 360TH ST (DEAD

The LRD 360TH ST (DEAD bridge in Dunn, Wisconsin carries LRD 360TH ST (DEAD over CLACK CREEK. It was built in 1934, making it 92 years old today. The structure is built primarily of steel and spans 1 section, stretching 7.8 meters (26 feet) end to end. Daily traffic averages 29 vehicles, placing it in the lower-traffic tier of Wisconsin bridges. It is owned and maintained by Town/Township Highway Agency.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 5/9, substructure at 4/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 27.5 metric tons.

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

How LRD 360TH ST (DEAD compares

▼ 5.8
Load rating vs Wisconsin average (33.3 t)
Bottom 22%
Lower load rating than 78% of Wisconsin bridges
252
Bridges in Dunn · 21 in Poor condition
LRD 360TH ST (DEAD 27.5 t
Wisconsin average 33.3 t

Live comparison across Wisconsin.

Historical Sufficiency Rating

PlainBridge-computed
62.0 / 100 - historical 50–79.9 band
Structural adequacy /55
26.5
Serviceability /30
26.0
Essentiality /15
14.6
Special reductions
−5.0

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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
27.5 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1934
Material
Steel
Number of Spans
1
Structure Length
7.8 m (26 ft)
Deck Width
6.9 m (23 ft)
Owner
Town/Township Highway Agency
Avg Daily Traffic
29 vehicles/day
Structure Number
P17010200000000

Condition Analysis

  • The deck (driving surface) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • At 4/9, the substructure (piers and abutments) is in poor shape, with advanced wear flagged for priority repair.

How to read this record

LRD 360TH ST (DEAD 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 360TH ST (DEAD against other structures in Dunn 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 360TH ST (DEAD?

LRD 360TH ST (DEAD in Dunn, Wisconsin has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is LRD 360TH ST (DEAD inspected?

LRD 360TH ST (DEAD'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 29 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. LRD 360TH ST (DEAD 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 360TH ST (DEAD?

LRD 360TH ST (DEAD has an NBI inventory load rating of 27.5 metric tons.

Who is responsible for maintaining LRD 360TH ST (DEAD?

LRD 360TH ST (DEAD is owned and maintained by Town/Township Highway Agency.

How old is LRD 360TH ST (DEAD and does age affect safety?

LRD 360TH ST (DEAD was built in 1934, making it 92 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.