FHWA NBI 2024 Inspection record Public-domain dataset

RANCHERO RD

Carrying RANCHERO RD over DRY RUN CREEK

88-14-10-01-10, Black Hawk, Iowa

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
31 t Inventory load rating

Bridge Snapshot: RANCHERO RD

The RANCHERO RD bridge in Black Hawk, Iowa carries RANCHERO RD over DRY RUN CREEK. It was built in 1937, making it 89 years old today. It was last reconstructed in 1990, extending its service life. The structure is built primarily of steel continuous and spans 2 sections, stretching 9.8 meters (32 feet) end to end. Daily traffic averages 90 vehicles, placing it in the lower-traffic tier of Iowa bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 5/9, substructure 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 31.0 metric tons.

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

How RANCHERO RD compares

▲ 0.1
Load rating vs Iowa average (30.9 t)
Bottom 49%
Lower load rating than 51% of Iowa bridges
411
Bridges in Black Hawk · 24 in Poor condition
RANCHERO RD 31.0 t
Iowa average 30.9 t

Live comparison across Iowa.

Historical Sufficiency Rating

PlainBridge-computed
77.4 / 100 - historical 50–79.9 band
Structural adequacy /55
44.5
Serviceability /30
21.0
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
31.0 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1937
Last Reconstructed
1990
Material
Steel Continuous
Number of Spans
2
Structure Length
9.8 m (32 ft)
Deck Width
6.2 m (20 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
90 vehicles/day
Structure Number
000000000075340

Condition Analysis

  • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) rates fair at 6/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether RANCHERO RD 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 RANCHERO RD against other structures in Black Hawk 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 RANCHERO RD?

RANCHERO RD in Black Hawk, Iowa has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is RANCHERO RD inspected?

RANCHERO RD'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 90 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. RANCHERO RD 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 RANCHERO RD?

RANCHERO RD has an NBI inventory load rating of 31.0 metric tons.

Who is responsible for maintaining RANCHERO RD?

RANCHERO RD is owned and maintained by City/Municipal Highway Agency.

How old is RANCHERO RD and does age affect safety?

RANCHERO RD was built in 1937, making it 89 years old and last reconstructed in 1990.

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.