240TH AVE
Carrying 240TH AVE over STREAM
099363301, Dickinson, Iowa
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
240TH AVE in Dickinson, Iowa sits above 97% of rated Iowa bridges on inventory load rating (57 t), while its 1963 build year is earlier than 81% of Dickinson's recorded-year cohort (84 bridges).
240TH AVE in Dickinson, Iowa is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1963, 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:000000000365890
INTERSTATE-ERA · STEEL · MULTI-SPAN · CULVERT-LED · LOCAL-ADT · HEAVY-LOAD · CAT-FAIR
- INTERSTATE-ERA 1950–1979
- STEEL Steel
- MULTI-SPAN 2 spans
- CULVERT-LED Culvert-led
- LOCAL-ADT Local ADT
- HEAVY-LOAD Heavy 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: 240TH AVE
The 240TH AVE bridge in Dickinson, Iowa carries 240TH AVE over STREAM. It was built in 1963, making it 63 years old today. It was last reconstructed in 1999, extending its service life. The structure is built primarily of steel and spans 2 sections, stretching 7.3 meters (24 feet) end to end. Daily traffic averages 598 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 240TH AVE compares
Age against the county: built in 1963, earlier than 68 of Dickinson's 84 bridges with a recorded construction year (81%), against a county median build year of 1978. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Iowa bridges with a recorded inventory load rating (23,718 of 23,719 rated).
240TH AVE vs every rated Iowa bridge
Inventory load rating (metric tons), FHWA NBI, this state
57 Top 3% higher than 97% 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.
Dickinson inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 84 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
- 1963
- Last Reconstructed
- 1999
- Material
- Steel
- Number of Spans
- 2
- Structure Length
- 7.3 m (24 ft) 0
- Owner
- County Highway Agency
- Avg Daily Traffic
- 598 vehicles/day
- Structure Number
- 000000000365890
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 240TH 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 240TH AVE against other structures in Dickinson 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 240TH AVE?
240TH AVE in Dickinson, Iowa on the FHWA's 0–9 scale.
How often is 240TH AVE inspected?
240TH 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 598 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. 240TH 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 240TH AVE?
240TH AVE has an NBI inventory load rating of 57.1 metric tons.
Who is responsible for maintaining 240TH AVE?
240TH AVE is owned and maintained by County Highway Agency.
How old is 240TH AVE and does age affect safety?
240TH AVE was built in 1963, making it 63 years old and last reconstructed in 1999.
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.