FHWA NBI 2024 Inspection record Public-domain dataset

KNOX RD

Carrying KNOX RD over COOPER CREEK

069423203, Fremont, Iowa

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
76 t Inventory load rating Higher than 99% of rated Iowa bridges

KNOX RD in Fremont, Iowa sits above 99% of rated Iowa bridges on inventory load rating (76 t), while its 2013 build year is earlier than 7% of Fremont's recorded-year cohort (179 bridges).

KNOX RD in Fremont, Iowa is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 2013, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good 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:000000000160432

POST-2000 · CONCRETE · MULTI-SPAN · CULVERT-LED · LOCAL-ADT · HEAVY-LOAD · CAT-GOOD

  • POST-2000 2000+
  • CONCRETE Concrete
  • MULTI-SPAN 2 spans
  • CULVERT-LED Culvert-led
  • LOCAL-ADT Local ADT
  • HEAVY-LOAD Heavy load
  • CAT-GOOD Good

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: KNOX RD

The KNOX RD bridge in Fremont, Iowa carries KNOX RD over COOPER CREEK. It was built in 2013, making it 13 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 7.6 meters (25 feet) end to end. Daily traffic averages 450 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. All reported major components score above the Poor range.

How KNOX RD compares

▲ 45.8
Load rating vs Iowa average (30.4 t; 23,718 of 23,719 rated)
179
Bridges in Fremont · 35 in Poor condition

Age against the county: built in 2013, earlier than 12 of Fremont's 179 bridges with a recorded construction year (7%), against a county median build year of 1975. This is one of the newer structures in its county.

KNOX RD 76.2 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).

KNOX RD vs every rated Iowa bridge

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

76 Top 1% higher than 99% 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
7/9
Good (7–9)
Inventory Load Rating
76.2 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Fremont inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 179 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
2013
Material
Concrete Continuous
Number of Spans
2
Structure Length
7.6 m (25 ft)
Deck Width
6.7 m (22 ft)
Owner
County Highway Agency
Avg Daily Traffic
450 vehicles/day
Structure Number
000000000160432

How to read this record

This page shows what the last federal inspection recorded, not whether KNOX 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 KNOX RD against other structures in Fremont 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 KNOX RD?

KNOX RD in Fremont, Iowa on the FHWA's 0–9 scale.

How often is KNOX RD inspected?

KNOX 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 450 vehicles per day.

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

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

KNOX RD has an NBI inventory load rating of 76.2 metric tons.

Who is responsible for maintaining KNOX RD?

KNOX RD is owned and maintained by County Highway Agency.

How old is KNOX RD and does age affect safety?

KNOX RD was built in 2013, making it 13 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.

XFacebookLinkedInWhatsAppEmail

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.