FHWA NBI 2024 Inspection record Public-domain dataset

LRD ROCK RD

Carrying LRD ROCK RD over SNOWDEN BRANCH

2.1M W JCT CTH D, Grant, Wisconsin

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
24 t Inventory load rating

Bridge Snapshot: LRD ROCK RD

The LRD ROCK RD bridge in Grant, Wisconsin carries LRD ROCK RD over SNOWDEN BRANCH. It was built in 1972, making it 54 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 14.2 meters (47 feet) end to end. Daily traffic averages 53 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 culvert at 6/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 24.3 metric tons.

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

How LRD ROCK RD compares

▼ 9.0
Load rating vs Wisconsin average (33.3 t)
Bottom 12%
Lower load rating than 88% of Wisconsin bridges
385
Bridges in Grant · 17 in Poor condition
LRD ROCK RD 24.3 t
Wisconsin average 33.3 t

Live comparison across Wisconsin.

Historical Sufficiency Rating

PlainBridge-computed
92.5 / 100 - historical 80–100 band
Structural adequacy /55
47.5
Serviceability /30
30.0
Essentiality /15
15.0
Special reductions
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 How the historical reference is calculated.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

Culvert
6/9
Fair (5–6)
Inventory Load Rating
24.3 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1972
Material
Concrete Continuous
Number of Spans
3
Structure Length
14.2 m (47 ft)
Owner
Town/Township Highway Agency
Avg Daily Traffic
53 vehicles/day
Structure Number
P22033700000000

How to read this record

This page shows what the last federal inspection recorded, not whether LRD ROCK 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 ROCK RD against other structures in Grant 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 ROCK RD?

LRD ROCK RD in Grant, Wisconsin on the FHWA's 0–9 scale.

How often is LRD ROCK RD inspected?

LRD ROCK 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 53 vehicles per day.

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

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

LRD ROCK RD has an NBI inventory load rating of 24.3 metric tons.

Who is responsible for maintaining LRD ROCK RD?

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

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

LRD ROCK RD was built in 1972, making it 54 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.