LRD MILL ST
Carrying LRD MILL ST over UNION PACIFIC RR
0.1M W JCT STH 60, Columbia, Wisconsin
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: LRD MILL ST
The LRD MILL ST bridge in Columbia, Wisconsin carries LRD MILL ST over UNION PACIFIC RR. It was built in 1900, making it 126 years old today. The structure is built primarily of steel and spans 1 section, stretching 39.4 meters (129 feet) end to end. Daily traffic averages 79 vehicles, placing it in the lower-traffic tier of Wisconsin bridges. It is owned and maintained by Other State Agencies.
The latest FHWA inspection records show a deck rating of 0/9, superstructure at 0/9, substructure at 0/9. The weakest component sits in critical 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 16.2 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How LRD MILL ST compares
Live comparison across Wisconsin.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1900
- Material
- Steel
- Number of Spans
- 1
- Structure Length
- 39.4 m (129 ft)
- Deck Width
- 7.9 m (26 ft)
- Owner
- Other State Agencies
- Avg Daily Traffic
- 79 vehicles/day
- Structure Number
- P11070500000000
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) is in critical condition (0/9), with severe deterioration requiring urgent attention.
- • At 0/9, the superstructure (beams and supports above the deck) is in critical shape, with severe wear requiring urgent action.
- • At 0/9, the substructure (piers and abutments) is in critical shape, with severe wear requiring urgent action.
How to read this record
LRD MILL 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 MILL ST against other structures in Columbia 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 MILL ST?
LRD MILL ST in Columbia, Wisconsin has a deck rating of 0/9, superstructure rating of 0/9, and substructure rating of 0/9 on the FHWA's 0–9 scale.
How often is LRD MILL ST inspected?
LRD MILL 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 79 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. LRD MILL 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 MILL ST?
LRD MILL ST has an NBI inventory load rating of 16.2 metric tons.
Who is responsible for maintaining LRD MILL ST?
LRD MILL ST is owned and maintained by Other State Agencies.
How old is LRD MILL ST and does age affect safety?
LRD MILL ST was built in 1900, making it 126 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.
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.