FHWA NBI 2024 Inspection record Public-domain dataset

LOCAL - 650TH

Carrying LOCAL - 650TH over W NODAWAY RIVER

074363604, Cass, Iowa

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
13 t Inventory load rating

Bridge Snapshot: LOCAL - 650TH

The LOCAL - 650TH bridge in Cass, Iowa carries LOCAL - 650TH over W NODAWAY RIVER. It was built in 1973, making it 53 years old today. The structure is built primarily of steel and spans 1 section, stretching 31.7 meters (104 feet) end to end. Daily traffic averages 50 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 5/9, substructure at 5/9. 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 12.5 metric tons.

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

How LOCAL - 650TH compares

▼ 18.4
Load rating vs Iowa average (30.9 t)
Bottom 5%
Lower load rating than 95% of Iowa bridges
237
Bridges in Cass · 94 in Poor condition
LOCAL - 650TH 12.5 t
Iowa average 30.9 t

Live comparison across Iowa.

Historical Sufficiency Rating

PlainBridge-computed
50.1 / 100 - historical 50–79.9 band
Structural adequacy /55
16.1
Serviceability /30
27.0
Essentiality /15
15.0
Special reductions
−8.0

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 How the historical reference is calculated.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

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

Structural Details

Year Built
1973
Material
Steel
Number of Spans
1
Structure Length
31.7 m (104 ft)
Deck Width
7.3 m (24 ft)
Owner
County Highway Agency
Avg Daily Traffic
50 vehicles/day
Structure Number
000000000097431

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • At 5/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) rates fair at 5/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether LOCAL - 650TH 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 LOCAL - 650TH 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 - 650TH?

LOCAL - 650TH in Cass, Iowa has a deck rating of 7/9, superstructure rating of 5/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is LOCAL - 650TH inspected?

LOCAL - 650TH'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 50 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. LOCAL - 650TH 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 LOCAL - 650TH?

LOCAL - 650TH has an NBI inventory load rating of 12.5 metric tons.

Who is responsible for maintaining LOCAL - 650TH?

LOCAL - 650TH is owned and maintained by County Highway Agency.

How old is LOCAL - 650TH and does age affect safety?

LOCAL - 650TH was built in 1973, making it 53 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.