FHWA NBI 2024 Inspection record Public-domain dataset

LRD TISCH MILLS RD

Carrying LRD TISCH MILLS RD over E TWIN RIVER

0.1M S JCT CTH BB, Manitowoc, Wisconsin

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
34 t Inventory load rating Lower than 55% of rated Wisconsin bridges

LRD TISCH MILLS RD in Manitowoc, Wisconsin sits above 45% of rated Wisconsin bridges on inventory load rating (34 t), while its 1938 build year is earlier than 94% of Manitowoc's recorded-year cohort (269 bridges).

LRD TISCH MILLS RD in Manitowoc, Wisconsin is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1938, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 5. The lowest applicable rating sets the federal condition category, so this Fair 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:B36051100000000

PRE-1950 · PRESTRESS · SINGLE-SPAN · SUB-LED · LOCAL-ADT · STANDARD-LOAD · CAT-FAIR

  • PRE-1950 Pre-1950
  • PRESTRESS Prestressed concrete
  • SINGLE-SPAN Single span
  • SUB-LED Substructure-led
  • LOCAL-ADT Local ADT
  • STANDARD-LOAD Standard load
  • CAT-FAIR Fair

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 TISCH MILLS RD

The LRD TISCH MILLS RD bridge in Manitowoc, Wisconsin carries LRD TISCH MILLS RD over E TWIN RIVER. It was built in 1938, making it 88 years old today. It was last reconstructed in 1991, extending its service life. The structure is built primarily of prestressed concrete and spans 1 section, stretching 22.8 meters (75 feet) end to end. Daily traffic averages 658 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 8/9, substructure at 5/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range.

How LRD TISCH MILLS RD compares

▲ 0.4
Load rating vs Wisconsin average (33.6 t; 14,446 rated)
269
Bridges in Manitowoc · 10 in Poor condition

Age against the county: built in 1938, earlier than 253 of Manitowoc's 269 bridges with a recorded construction year (94%), against a county median build year of 1979. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

LRD TISCH MILLS RD 34.0 t
Wisconsin average (14,446 rated) 33.6 t

Live comparison across Wisconsin bridges with a recorded inventory load rating (14,446 rated).

LRD TISCH MILLS RD vs every rated Wisconsin bridge

Inventory load rating (metric tons), FHWA NBI, this state

34 Top 55% higher than 45% 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

Deck
6/9
Fair (5–6)
Superstructure
8/9
Good (7–9)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
34.0 t
NBI inventory level (metric tons)
Overall Condition
Fair

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.

Manitowoc inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 269 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
1938
Last Reconstructed
1991
Material
Prestressed Concrete
Number of Spans
1
Structure Length
22.8 m (75 ft)
Deck Width
9.5 m (31 ft)
Owner
Town/Township Highway Agency
Avg Daily Traffic
658 vehicles/day
Structure Number
B36051100000000

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 good at 8/9, with no significant deterioration on file.
  • The substructure (piers and abutments) is in fair condition (5/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether LRD TISCH MILLS RD is safe to cross today. Here is how to use it.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
  • Compare LRD TISCH MILLS RD against other structures in Manitowoc 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 TISCH MILLS RD?

LRD TISCH MILLS RD in Manitowoc, Wisconsin has a deck rating of 6/9, superstructure rating of 8/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is LRD TISCH MILLS RD inspected?

LRD TISCH MILLS 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 658 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. LRD TISCH MILLS RD is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for LRD TISCH MILLS RD?

LRD TISCH MILLS RD has an NBI inventory load rating of 34.0 metric tons.

Who is responsible for maintaining LRD TISCH MILLS RD?

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

How old is LRD TISCH MILLS RD and does age affect safety?

LRD TISCH MILLS RD was built in 1938, making it 88 years old and last reconstructed in 1991.

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

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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.

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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.