CALUMET ROAD
Carrying CALUMET ROAD over COFFEE CREEK
00.10 N INDIAN BOUNDARY, Porter, Indiana
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
CALUMET ROAD in Porter, Indiana sits above 36% of rated Indiana bridges on inventory load rating (33 t), while its 1925 build year is earlier than 99% of Porter's recorded-year cohort (277 bridges).
CALUMET ROAD in Porter, Indiana is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1925, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. The lowest applicable rating sets the federal condition category, so this Fair result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure IN:6400126
PRE-1950 · CONCRETE · SINGLE-SPAN · CULVERT-LED · ARTERIAL-ADT · STANDARD-LOAD · CAT-FAIR
- PRE-1950 Pre-1950
- CONCRETE Concrete
- SINGLE-SPAN Single span
- CULVERT-LED Culvert-led
- ARTERIAL-ADT Arterial ADT
- STANDARD-LOAD Standard load
- CAT-FAIR Fair
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: CALUMET ROAD
The CALUMET ROAD bridge in Porter, Indiana carries CALUMET ROAD over COFFEE CREEK. It was built in 1925, making it 101 years old today. It was last reconstructed in 1999, extending its service life. The structure is built primarily of concrete and spans 1 section, stretching 10.4 meters (34 feet) end to end. Daily traffic averages 1,090 vehicles, placing it in the moderately-trafficked 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.
How CALUMET ROAD compares
Age against the county: built in 1925, earlier than 274 of Porter's 277 bridges with a recorded construction year (99%), against a county median build year of 1969. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Indiana bridges with a recorded inventory load rating (19,495 rated).
CALUMET ROAD vs every rated Indiana bridge
Inventory load rating (metric tons), FHWA NBI, this state
33 Top 64% higher than 36% of 19,495 bridges
rated Indiana bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Porter inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 277 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 1925
- Last Reconstructed
- 1999
- Material
- Concrete
- Number of Spans
- 1
- Structure Length
- 10.4 m (34 ft)
- Deck Width
- 10.3 m (34 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 1,090 vehicles/day
- Structure Number
- 6400126
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether CALUMET ROAD 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 CALUMET ROAD against other structures in Porter 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 CALUMET ROAD?
CALUMET ROAD in Porter, Indiana on the FHWA's 0–9 scale.
How often is CALUMET ROAD inspected?
CALUMET ROAD'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 1,090 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. CALUMET ROAD 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 CALUMET ROAD?
CALUMET ROAD has an NBI inventory load rating of 32.7 metric tons.
Who is responsible for maintaining CALUMET ROAD?
CALUMET ROAD is owned and maintained by County Highway Agency.
How old is CALUMET ROAD and does age affect safety?
CALUMET ROAD was built in 1925, making it 101 years old and last reconstructed in 1999.
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.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.