FHWA NBI 2024 Inspection record Public-domain dataset

KEY WAY

Carrying KEY WAY over NORTH FORK CATFISH CREEK

0.04 MI N OF KEYSTONE DR, Dubuque, Iowa

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
33 t Inventory load rating

Bridge Snapshot: KEY WAY

The KEY WAY bridge in Dubuque, Iowa carries KEY WAY over NORTH FORK CATFISH CREEK. It was built in 2010, making it 16 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 9.6 meters (31 feet) end to end. Daily traffic averages 1,932 vehicles, placing it in the moderately-trafficked tier of Iowa bridges. It is owned and maintained by City/Municipal 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. 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 KEY WAY compares

▲ 1.8
Load rating vs Iowa average (30.9 t)
Top 44%
Higher load rating than 56% of Iowa bridges
304
Bridges in Dubuque · 27 in Poor condition
KEY WAY 32.7 t
Iowa average 30.9 t

Live comparison across Iowa.

Historical Sufficiency Rating

PlainBridge-computed
99.8 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
14.8
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 How the historical reference is calculated.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
32.7 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
2010
Material
Concrete Continuous
Number of Spans
3
Structure Length
9.6 m (31 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
1,932 vehicles/day
Structure Number
000000000505060

How to read this record

This page shows what the last federal inspection recorded, not whether KEY WAY 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 KEY WAY against other structures in Dubuque 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 KEY WAY?

KEY WAY in Dubuque, Iowa on the FHWA's 0–9 scale.

How often is KEY WAY inspected?

KEY WAY'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 1,932 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. KEY WAY 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 KEY WAY?

KEY WAY has an NBI inventory load rating of 32.7 metric tons.

Who is responsible for maintaining KEY WAY?

KEY WAY is owned and maintained by City/Municipal Highway Agency.

How old is KEY WAY and does age affect safety?

KEY WAY was built in 2010, making it 16 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.