I35 NB TO US 30 EB
Carrying I35 NB TO US 30 EB over DRAINAGE DITCH
AT JCT. US 30, Story, Iowa
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: I35 NB TO US 30 EB
The I35 NB TO US 30 EB bridge in Story, Iowa carries I35 NB TO US 30 EB over DRAINAGE DITCH. It was built in 2017, making it 9 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 9.5 meters (31 feet) end to end. Daily traffic averages 1,420 vehicles, placing it in the moderately-trafficked tier of Iowa bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show culvert at 8/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 32.4 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How I35 NB TO US 30 EB compares
Live comparison across Iowa.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 2017
- Material
- Concrete
- Number of Spans
- 2
- Structure Length
- 9.5 m (31 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 1,420 vehicles/day
- Structure Number
- 000000000049231
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 I35 NB TO US 30 EB 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 I35 NB TO US 30 EB 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 I35 NB TO US 30 EB?
I35 NB TO US 30 EB in Story, Iowa on the FHWA's 0–9 scale.
How often is I35 NB TO US 30 EB inspected?
I35 NB TO US 30 EB'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 1,420 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. I35 NB TO US 30 EB 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 I35 NB TO US 30 EB?
I35 NB TO US 30 EB has an NBI inventory load rating of 32.4 metric tons.
Who is responsible for maintaining I35 NB TO US 30 EB?
I35 NB TO US 30 EB is owned and maintained by State Highway Agency.
How old is I35 NB TO US 30 EB and does age affect safety?
I35 NB TO US 30 EB was built in 2017, making it 9 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.
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.