LRD MULBERRY RD
Carrying LRD MULBERRY RD over WINDING CREEK
2.6M W JCT CTH F, Marathon, Wisconsin
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
LRD MULBERRY RD in Marathon, Wisconsin sits above 24% of rated Wisconsin bridges on inventory load rating (29 t), while its 1955 build year is earlier than 86% of Marathon's recorded-year cohort (530 bridges).
LRD MULBERRY RD in Marathon, Wisconsin is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1955, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. The lowest applicable rating sets the federal condition category, so this Poor result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure WI:P37028400000000
INTERSTATE-ERA · STEEL · SINGLE-SPAN · SUB-LED · LOCAL-ADT · STANDARD-LOAD · CAT-POOR
- INTERSTATE-ERA 1950–1979
- STEEL Steel
- SINGLE-SPAN Single span
- SUB-LED Substructure-led
- LOCAL-ADT Local ADT
- STANDARD-LOAD Standard load
- CAT-POOR Poor
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
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.
How LRD MULBERRY RD compares
Age against the county: built in 1955, earlier than 455 of Marathon's 530 bridges with a recorded construction year (86%), against a county median build year of 1985. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Wisconsin bridges with a recorded inventory load rating (14,446 rated).
LRD MULBERRY RD vs every rated Wisconsin bridge
Inventory load rating (metric tons), FHWA NBI, this state
29 Top 76% higher than 24% of 14,446 bridges
rated Wisconsin bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.
Marathon inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 530 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
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 on file for this vintage.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗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.
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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.