FHWA NBI 2024 Inspection record Public-domain dataset

NORTH WINN RD

Carrying NORTH WINN RD over CANOE CREEK

099080904, Winneshiek, Iowa

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
31 t Inventory load rating

Bridge Snapshot: NORTH WINN RD

The NORTH WINN RD bridge in Winneshiek, Iowa carries NORTH WINN RD over CANOE CREEK. It was built in 1959, making it 67 years old today. It was last reconstructed in 2017, extending its service life. The structure is built primarily of concrete continuous and spans 3 sections, stretching 21.0 meters (69 feet) end to end. Daily traffic averages 570 vehicles, placing it in the lower-traffic tier of Iowa bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show culvert at 7/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 30.5 metric tons.

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

How NORTH WINN RD compares

▼ 0.4
Load rating vs Iowa average (30.9 t)
Bottom 47%
Lower load rating than 53% of Iowa bridges
317
Bridges in Winneshiek · 59 in Poor condition
NORTH WINN RD 30.5 t
Iowa average 30.9 t

Live comparison across Iowa.

Historical Sufficiency Rating

PlainBridge-computed
96.0 / 100 - historical 80–100 band
Structural adequacy /55
54.1
Serviceability /30
30.0
Essentiality /15
14.9
Special reductions
−3.0

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 How the historical reference is calculated.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
7/9
Good (7–9)
Inventory Load Rating
30.5 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1959
Last Reconstructed
2017
Material
Concrete Continuous
Number of Spans
3
Structure Length
21.0 m (69 ft)
Owner
County Highway Agency
Avg Daily Traffic
570 vehicles/day
Structure Number
000000000348490

How to read this record

This page shows what the last federal inspection recorded, not whether NORTH WINN 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 NORTH WINN RD against other structures in Winneshiek and across Iowa. Iowa 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 NORTH WINN RD?

NORTH WINN RD in Winneshiek, Iowa on the FHWA's 0–9 scale.

How often is NORTH WINN RD inspected?

NORTH WINN 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 570 vehicles per day.

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

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

What is the inventory load rating for NORTH WINN RD?

NORTH WINN RD has an NBI inventory load rating of 30.5 metric tons.

Who is responsible for maintaining NORTH WINN RD?

NORTH WINN RD is owned and maintained by County Highway Agency.

How old is NORTH WINN RD and does age affect safety?

NORTH WINN RD was built in 1959, making it 67 years old and last reconstructed in 2017.

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.