K14 BEECH AVE
Carrying K14 BEECH AVE over PLUM CREEK
098480306, Lyon, Iowa
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
K14 BEECH AVE in Lyon, Iowa sits above 24% of rated Iowa bridges on inventory load rating (21 t), while its 1977 build year is earlier than 49% of Lyon's recorded-year cohort (276 bridges).
K14 BEECH AVE in Lyon, Iowa is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1977, 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:000000000229321
INTERSTATE-ERA · CONCRETE · MULTI-SPAN · CULVERT-LED · TRACE-ADT · STANDARD-LOAD · CAT-FAIR
- INTERSTATE-ERA 1950–1979
- CONCRETE Concrete
- MULTI-SPAN 3 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: K14 BEECH AVE
The K14 BEECH AVE bridge in Lyon, Iowa carries K14 BEECH AVE over PLUM CREEK. It was built in 1977, making it 49 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 11.6 meters (38 feet) end to end. Daily traffic averages 41 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. No reported major component scores in the Poor range under the current federal condition thresholds.
How K14 BEECH AVE compares
Age against the county: built in 1977, earlier than 136 of Lyon's 276 bridges with a recorded construction year (49%), against a county median build year of 1977.
Live comparison across Iowa bridges with a recorded inventory load rating (23,718 of 23,719 rated).
K14 BEECH AVE vs every rated Iowa bridge
Inventory load rating (metric tons), FHWA NBI, this state
21 Top 76% higher than 24% 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
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Lyon inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 276 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
- 1977
- Material
- Concrete
- Number of Spans
- 3
- Structure Length
- 11.6 m (38 ft) 0
- Owner
- County Highway Agency
- Avg Daily Traffic
- 41 vehicles/day
- Structure Number
- 000000000229321
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether K14 BEECH AVE 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 K14 BEECH AVE against other structures in Lyon 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 K14 BEECH AVE?
K14 BEECH AVE in Lyon, Iowa on the FHWA's 0–9 scale.
How often is K14 BEECH AVE inspected?
K14 BEECH AVE'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 41 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. K14 BEECH AVE 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 K14 BEECH AVE?
K14 BEECH AVE has an NBI inventory load rating of 21.4 metric tons.
Who is responsible for maintaining K14 BEECH AVE?
K14 BEECH AVE is owned and maintained by County Highway Agency.
How old is K14 BEECH AVE and does age affect safety?
K14 BEECH AVE was built in 1977, making it 49 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.
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.
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.