FHWA NBI 2024 Inspection record Public-domain dataset

630TH ST

Carrying 630TH ST over CREEK

090401901, Cherokee, Iowa

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
33 t Inventory load rating

Bridge Snapshot: 630TH ST

The 630TH ST bridge in Cherokee, Iowa carries 630TH ST over CREEK. It was built in 2005, making it 21 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 11.6 meters (38 feet) end to end. Daily traffic averages 15 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 8/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 32.7 metric tons.

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

How 630TH ST compares

▲ 1.8
Load rating vs Iowa average (30.9 t)
Top 44%
Higher load rating than 56% of Iowa bridges
223
Bridges in Cherokee · 67 in Poor condition
630TH ST 32.7 t
Iowa average 30.9 t

Live comparison across Iowa.

Historical Sufficiency Rating

PlainBridge-computed
100.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
15.0
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 How the historical reference is calculated.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
8/9
Good (7–9)
Inventory Load Rating
32.7 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2005
Material
Concrete Continuous
Number of Spans
3
Structure Length
11.6 m (38 ft)
Owner
County Highway Agency
Avg Daily Traffic
15 vehicles/day
Structure Number
000000000107301

How to read this record

This page shows what the last federal inspection recorded, not whether 630TH ST 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 630TH ST against other structures in Cherokee 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 630TH ST?

630TH ST in Cherokee, Iowa on the FHWA's 0–9 scale.

How often is 630TH ST inspected?

630TH ST'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 15 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. 630TH ST 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 630TH ST?

630TH ST has an NBI inventory load rating of 32.7 metric tons.

Who is responsible for maintaining 630TH ST?

630TH ST is owned and maintained by County Highway Agency.

How old is 630TH ST and does age affect safety?

630TH ST was built in 2005, making it 21 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.