FHWA NBI 2024 Inspection record Public-domain dataset

LRD MULBERRY RD

Carrying LRD MULBERRY RD over WINDING CREEK

2.6M W JCT CTH F, Marathon, Wisconsin

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
29 t Inventory load rating

Bridge Snapshot: LRD MULBERRY RD

The LRD MULBERRY RD bridge in Marathon, Wisconsin carries LRD MULBERRY RD over WINDING CREEK. It was built in 1955, making it 71 years old today. The structure is built primarily of steel and spans 1 section, stretching 8.5 meters (28 feet) end to end. Daily traffic averages 98 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 6/9, superstructure at 6/9, 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 29.2 metric tons.

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

How LRD MULBERRY RD compares

▼ 4.1
Load rating vs Wisconsin average (33.3 t)
Bottom 25%
Lower load rating than 75% of Wisconsin bridges
534
Bridges in Marathon · 54 in Poor condition
LRD MULBERRY RD 29.2 t
Wisconsin average 33.3 t

Live comparison across Wisconsin.

Historical Sufficiency Rating

PlainBridge-computed
69.1 / 100 - historical 50–79.9 band
Structural adequacy /55
28.1
Serviceability /30
27.0
Essentiality /15
15.0
Special reductions
−1.0

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 How the historical reference is calculated.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

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

Structural Details

Year Built
1955
Material
Steel
Number of Spans
1
Structure Length
8.5 m (28 ft)
Deck Width
7.3 m (24 ft)
Owner
Town/Township Highway Agency
Avg Daily Traffic
98 vehicles/day
Structure Number
P37028400000000

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • 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 MULBERRY RD 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 MULBERRY RD against other structures in Marathon 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 MULBERRY RD?

LRD MULBERRY RD in Marathon, Wisconsin has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is LRD MULBERRY RD inspected?

LRD MULBERRY RD'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 98 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. LRD MULBERRY RD 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 MULBERRY RD?

LRD MULBERRY RD has an NBI inventory load rating of 29.2 metric tons.

Who is responsible for maintaining LRD MULBERRY RD?

LRD MULBERRY RD is owned and maintained by Town/Township Highway Agency.

How old is LRD MULBERRY RD and does age affect safety?

LRD MULBERRY RD was built in 1955, making it 71 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.