FHWA NBI 2024 Inspection record Public-domain dataset

650TH AVE

Carrying 650TH AVE over RUPPLE CREEK

082221014, Story, Iowa

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
28 t Inventory load rating

Bridge Snapshot: 650TH AVE

The 650TH AVE bridge in Story, Iowa carries 650TH AVE over RUPPLE CREEK. It was built in 1971, making it 55 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 7.9 meters (26 feet) end to end. Daily traffic averages 1,228 vehicles, placing it in the moderately-trafficked 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. Its NBI inventory load rating is 28.1 metric tons.

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

How 650TH AVE compares

▼ 2.8
Load rating vs Iowa average (30.9 t)
Bottom 41%
Lower load rating than 59% of Iowa bridges
262
Bridges in Story · 38 in Poor condition
650TH AVE 28.1 t
Iowa average 30.9 t

Live comparison across Iowa.

Historical Sufficiency Rating

PlainBridge-computed
95.7 / 100 - historical 80–100 band
Structural adequacy /55
52.1
Serviceability /30
30.0
Essentiality /15
13.6
Special reductions
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Inventory Load Rating
28.1 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1971
Material
Concrete Continuous
Number of Spans
2
Structure Length
7.9 m (26 ft)
Owner
County Highway Agency
Avg Daily Traffic
1,228 vehicles/day
Structure Number
000000000313720

How to read this record

This page shows what the last federal inspection recorded, not whether 650TH 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 650TH AVE against other structures in Story 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 650TH AVE?

650TH AVE in Story, Iowa on the FHWA's 0–9 scale.

How often is 650TH AVE inspected?

650TH 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 1,228 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. 650TH 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 650TH AVE?

650TH AVE has an NBI inventory load rating of 28.1 metric tons.

Who is responsible for maintaining 650TH AVE?

650TH AVE is owned and maintained by County Highway Agency.

How old is 650TH AVE and does age affect safety?

650TH AVE was built in 1971, making it 55 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

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.