FHWA NBI 2024 Inspection record Public-domain dataset

NETTLE

Carrying NETTLE over DRAINAGE

095201702, Cerro Gordo, Iowa

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
33 t Inventory load rating Higher than 56% of rated Iowa bridges

NETTLE in Cerro Gordo, Iowa sits above 56% of rated Iowa bridges on inventory load rating (33 t), while its 2005 build year is earlier than 16% of Cerro Gordo's recorded-year cohort (266 bridges).

NETTLE in Cerro Gordo, Iowa is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 2005, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. 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 IA:000000000364950

POST-2000 · CONCRETE · MULTI-SPAN · CULVERT-LED · TRACE-ADT · STANDARD-LOAD · CAT-FAIR

  • POST-2000 2000+
  • CONCRETE Concrete
  • MULTI-SPAN 2 spans
  • CULVERT-LED Culvert-led
  • TRACE-ADT Trace 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: NETTLE

The NETTLE bridge in Cerro Gordo, Iowa carries NETTLE over DRAINAGE. It was built in 2005, making it 21 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 17.1 meters (56 feet) end to end. Daily traffic averages 30 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 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range.

How NETTLE compares

▲ 2.3
Load rating vs Iowa average (30.4 t; 23,718 of 23,719 rated)
266
Bridges in Cerro Gordo · 13 in Poor condition

Age against the county: built in 2005, earlier than 42 of Cerro Gordo's 266 bridges with a recorded construction year (16%), against a county median build year of 1972. This is one of the newer structures in its county.

NETTLE 32.7 t
Iowa average (23,718 of 23,719 rated) 30.4 t

Live comparison across Iowa bridges with a recorded inventory load rating (23,718 of 23,719 rated).

NETTLE vs every rated Iowa bridge

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

33 Top 44% higher than 56% of 23,718 bridges

rated Iowa 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

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

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

Cerro Gordo inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 266 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
2005
Material
Concrete
Number of Spans
2
Structure Length
17.1 m (56 ft)
0
Owner
County Highway Agency
Avg Daily Traffic
30 vehicles/day
Structure Number
000000000364950

How to read this record

This page shows what the last federal inspection recorded, not whether NETTLE 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 NETTLE against other structures in Cerro Gordo 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 NETTLE?

NETTLE in Cerro Gordo, Iowa on the FHWA's 0–9 scale.

How often is NETTLE inspected?

NETTLE'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 30 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. NETTLE 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 NETTLE?

NETTLE has an NBI inventory load rating of 32.7 metric tons.

Who is responsible for maintaining NETTLE?

NETTLE is owned and maintained by County Highway Agency.

How old is NETTLE and does age affect safety?

NETTLE was built in 2005, making it 21 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

Share this inspection record

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.