OLD SR 55/CR 400W
Carrying OLD SR 55/CR 400W over I-74 WBL
04.13 W US 231, Montgomery, Indiana
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: OLD SR 55/CR 400W
The OLD SR 55/CR 400W bridge in Montgomery, Indiana carries OLD SR 55/CR 400W over I-74 WBL. It was built in 1963, making it 63 years old today. The structure is built primarily of steel continuous. Daily traffic averages 20,469 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. No reported major component scores in the Poor range under the current federal condition thresholds.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How OLD SR 55/CR 400W 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 How the historical reference is calculated.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
- 1963
- Material
- Steel Continuous
- Avg Daily Traffic
- 20,469 vehicles/day
- Structure Number
- 044015
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 OLD SR 55/CR 400W 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 OLD SR 55/CR 400W against other structures in Montgomery 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 OLD SR 55/CR 400W?
OLD SR 55/CR 400W in Montgomery, Indiana on the FHWA's 0–9 scale.
How often is OLD SR 55/CR 400W inspected?
OLD SR 55/CR 400W'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 20,469 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. OLD SR 55/CR 400W 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 OLD SR 55/CR 400W?
An inventory load rating is not recorded for OLD SR 55/CR 400W.
Who is responsible for maintaining OLD SR 55/CR 400W?
Ownership is not specified for OLD SR 55/CR 400W in the NBI.
How old is OLD SR 55/CR 400W and does age affect safety?
OLD SR 55/CR 400W was built in 1963, making it 63 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.