FHWA NBI 2024 Inspection record Public-domain dataset

LOCAL - 560TH

Carrying LOCAL - 560TH over CREEK

075372802, Cass, Iowa

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
25 t Inventory load rating

Bridge Snapshot: LOCAL - 560TH

The LOCAL - 560TH bridge in Cass, Iowa carries LOCAL - 560TH over CREEK. It was built in 1983, making it 43 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 12.2 meters (40 feet) end to end. Daily traffic averages 269 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 5/9, superstructure at 5/9, substructure at 4/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 24.5 metric tons.

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

How LOCAL - 560TH compares

▼ 6.4
Load rating vs Iowa average (30.9 t)
Bottom 32%
Lower load rating than 68% of Iowa bridges
237
Bridges in Cass · 94 in Poor condition
LOCAL - 560TH 24.5 t
Iowa average 30.9 t

Live comparison across Iowa.

Historical Sufficiency Rating

PlainBridge-computed
50.6 / 100 - historical 50–79.9 band
Structural adequacy /55
22.8
Serviceability /30
16.0
Essentiality /15
14.8
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Inventory Load Rating
24.5 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1983
Material
Prestressed Concrete
Number of Spans
1
Structure Length
12.2 m (40 ft)
Deck Width
7.6 m (25 ft)
Owner
County Highway Agency
Avg Daily Traffic
269 vehicles/day
Structure Number
000000000098861

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.
  • At 4/9, the substructure (piers and abutments) is in poor shape, with advanced wear flagged for priority repair.

How to read this record

LOCAL - 560TH is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare LOCAL - 560TH against other structures in Cass 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 LOCAL - 560TH?

LOCAL - 560TH in Cass, Iowa has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is LOCAL - 560TH inspected?

LOCAL - 560TH'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 269 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. LOCAL - 560TH is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for LOCAL - 560TH?

LOCAL - 560TH has an NBI inventory load rating of 24.5 metric tons.

Who is responsible for maintaining LOCAL - 560TH?

LOCAL - 560TH is owned and maintained by County Highway Agency.

How old is LOCAL - 560TH and does age affect safety?

LOCAL - 560TH was built in 1983, making it 43 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.