RP IS55N TO IS44W
Carrying RP IS55N TO IS44W over IS 55
S 27 T 45 N R 7 E, St. Louis city, Missouri
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: RP IS55N TO IS44W
The RP IS55N TO IS44W bridge in St. Louis city, Missouri carries RP IS55N TO IS44W over IS 55. It was built in 1965, making it 61 years old today. The structure is built primarily of concrete continuous. Daily traffic averages 47,949 vehicles, placing it in the heavily-trafficked tier of Missouri 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 RP IS55N TO IS44W compares
Live comparison across Missouri.
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 How the historical reference is calculated.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
- 1965
- Material
- Concrete Continuous
- Avg Daily Traffic
- 47,949 vehicles/day
- Structure Number
- 892
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 RP IS55N TO IS44W 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 RP IS55N TO IS44W against other structures in St. Louis city and across Missouri. Missouri 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 RP IS55N TO IS44W?
RP IS55N TO IS44W in St. Louis city, Missouri on the FHWA's 0–9 scale.
How often is RP IS55N TO IS44W inspected?
RP IS55N TO IS44W'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 47,949 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. RP IS55N TO IS44W 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 RP IS55N TO IS44W?
An inventory load rating is not recorded for RP IS55N TO IS44W.
Who is responsible for maintaining RP IS55N TO IS44W?
Ownership is not specified for RP IS55N TO IS44W in the NBI.
How old is RP IS55N TO IS44W and does age affect safety?
RP IS55N TO IS44W was built in 1965, making it 61 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.