CR 400N
Carrying CR 400N over I-94 WBL
01.76 E US-421, LaPorte, Indiana
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: CR 400N
The CR 400N bridge in LaPorte, Indiana carries CR 400N over I-94 WBL. It was built in 1971, making it 55 years old today. The structure is built primarily of steel continuous. Daily traffic averages 27,527 vehicles, placing it in the heavily-trafficked tier of Indiana bridges.
The latest FHWA inspection records show limited component ratings on file. The weakest component sits in unrated condition. All reported major components score above the Poor range.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How CR 400N compares
Live comparison across Indiana.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1971
- Material
- Steel Continuous
- Avg Daily Traffic
- 27,527 vehicles/day
- Structure Number
- 049310
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 CR 400N 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 CR 400N against other structures in LaPorte 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 CR 400N?
CR 400N in LaPorte, Indiana on the FHWA's 0–9 scale.
How often is CR 400N inspected?
CR 400N'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 27,527 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. CR 400N is currently shown as unrated condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for CR 400N?
An inventory load rating is not recorded for CR 400N.
Who is responsible for maintaining CR 400N?
Ownership is not specified for CR 400N in the NBI.
How old is CR 400N and does age affect safety?
CR 400N was built in 1971, making it 55 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.
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.