FHWA NBI 2024 Inspection record Public-domain dataset

527TH ST

Carrying 527TH ST over WHITEBREAST CREEK

073223305, Lucas, Iowa

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
19 t Inventory load rating

Bridge Snapshot: 527TH ST

The 527TH ST bridge in Lucas, Iowa carries 527TH ST over WHITEBREAST CREEK. It was built in 2016, making it 10 years old today. The structure is built primarily of steel and spans 3 sections, stretching 29.6 meters (97 feet) end to end. Daily traffic averages 62 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 6/9, superstructure at 6/9, substructure at 8/9. 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 18.9 metric tons.

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

How 527TH ST compares

▼ 12.0
Load rating vs Iowa average (30.9 t)
Bottom 18%
Lower load rating than 82% of Iowa bridges
186
Bridges in Lucas · 65 in Poor condition
527TH ST 18.9 t
Iowa average 30.9 t

Live comparison across Iowa.

Historical Sufficiency Rating

PlainBridge-computed
62.3 / 100 - historical 50–79.9 band
Structural adequacy /55
38.9
Serviceability /30
11.5
Essentiality /15
15.0
Special reductions
−3.0

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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
8/9
Good (7–9)
Inventory Load Rating
18.9 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
2016
Material
Steel
Number of Spans
3
Structure Length
29.6 m (97 ft)
Deck Width
5.2 m (17 ft)
Owner
County Highway Agency
Avg Daily Traffic
62 vehicles/day
Structure Number
000000000227701

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) is in good condition (8/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether 527TH 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 527TH ST against other structures in Lucas 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 527TH ST?

527TH ST in Lucas, Iowa has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is 527TH ST inspected?

527TH 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 62 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. 527TH ST 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 527TH ST?

527TH ST has an NBI inventory load rating of 18.9 metric tons.

Who is responsible for maintaining 527TH ST?

527TH ST is owned and maintained by County Highway Agency.

How old is 527TH ST and does age affect safety?

527TH ST 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.