FHWA NBI 2024 Inspection record Public-domain dataset

MIAMI CO. LINE RD.

Carrying MIAMI CO. LINE RD. over GOVERNMENT DITCH

00.12 S SR 218, Cass, Indiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
33 t Inventory load rating

Bridge Snapshot: MIAMI CO. LINE RD.

The MIAMI CO. LINE RD. bridge in Cass, Indiana carries MIAMI CO. LINE RD. over GOVERNMENT DITCH. It was built in 1970, making it 56 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 7.3 meters (24 feet) end to end. Daily traffic averages 340 vehicles, placing it in the lower-traffic tier of Indiana bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show culvert at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 32.7 metric tons.

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

How MIAMI CO. LINE RD. compares

▼ 2.9
Load rating vs Indiana average (35.6 t)
Bottom 36%
Lower load rating than 64% of Indiana bridges
161
Bridges in Cass · 3 in Poor condition
MIAMI CO. LINE RD. 32.7 t
Indiana average 35.6 t

Live comparison across Indiana.

Historical Sufficiency Rating

PlainBridge-computed
81.6 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
14.7
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 How the historical reference is calculated.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

Culvert
6/9
Fair (5–6)
Inventory Load Rating
32.7 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1970
Material
Concrete
Number of Spans
3
Structure Length
7.3 m (24 ft)
Deck Width
7.3 m (24 ft)
Owner
County Highway Agency
Avg Daily Traffic
340 vehicles/day
Structure Number
0900163

How to read this record

This page shows what the last federal inspection recorded, not whether MIAMI CO. LINE 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 MIAMI CO. LINE RD. against other structures in Cass and across Indiana. Indiana 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 MIAMI CO. LINE RD.?

MIAMI CO. LINE RD. in Cass, Indiana on the FHWA's 0–9 scale.

How often is MIAMI CO. LINE RD. inspected?

MIAMI CO. LINE 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 340 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. MIAMI CO. LINE 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 MIAMI CO. LINE RD.?

MIAMI CO. LINE RD. has an NBI inventory load rating of 32.7 metric tons.

Who is responsible for maintaining MIAMI CO. LINE RD.?

MIAMI CO. LINE RD. is owned and maintained by County Highway Agency.

How old is MIAMI CO. LINE RD. and does age affect safety?

MIAMI CO. LINE RD. was built in 1970, making it 56 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.