FHWA NBI 2024 Inspection record Public-domain dataset

STEIL LANE

Carrying STEIL LANE over CREEK

089E11006, Dubuque, Iowa

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
12 t Inventory load rating

Bridge Snapshot: STEIL LANE

The STEIL LANE bridge in Dubuque, Iowa carries STEIL LANE over CREEK. It was built in 2016, making it 10 years old today. The structure is built primarily of steel and spans 1 section, stretching 20.7 meters (68 feet) end to end. Daily traffic averages 5 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 a deck rating of 7/9, superstructure at 7/9, substructure at 8/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 12.0 metric tons.

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

How STEIL LANE compares

▼ 18.9
Load rating vs Iowa average (30.9 t)
Bottom 5%
Lower load rating than 95% of Iowa bridges
304
Bridges in Dubuque · 27 in Poor condition
STEIL LANE 12.0 t
Iowa average 30.9 t

Live comparison across Iowa.

Historical Sufficiency Rating

PlainBridge-computed
67.0 / 100 - historical 50–79.9 band
Structural adequacy /55
25.0
Serviceability /30
27.0
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 How the historical reference is calculated.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

Deck
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
12.0 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2016
Material
Steel
Number of Spans
1
Structure Length
20.7 m (68 ft)
Deck Width
6.1 m (20 ft)
Owner
County Highway Agency
Avg Daily Traffic
5 vehicles/day
Structure Number
000000000147021

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • At 8/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether STEIL LANE 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 STEIL LANE 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 STEIL LANE?

STEIL LANE in Dubuque, Iowa has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is STEIL LANE inspected?

STEIL LANE'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 5 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. STEIL LANE 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 STEIL LANE?

STEIL LANE has an NBI inventory load rating of 12.0 metric tons.

Who is responsible for maintaining STEIL LANE?

STEIL LANE is owned and maintained by County Highway Agency.

How old is STEIL LANE and does age affect safety?

STEIL LANE was built in 2016, making it 10 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.