FHWA NBI 2024 Inspection record Public-domain dataset

SPIRIT OF ST LOUIS

Carrying SPIRIT OF ST LOUIS over IS 64

S 371 T 45 N R 3 E, St. Louis, Missouri

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Unknown

Bridge Snapshot: SPIRIT OF ST LOUIS

The SPIRIT OF ST LOUIS bridge in St. Louis, Missouri carries SPIRIT OF ST LOUIS over IS 64. It was built in 1968, making it 58 years old today. The structure is built primarily of steel continuous. Daily traffic averages 37,898 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. 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 SPIRIT OF ST LOUIS compares

912
Bridges in St. Louis · 36 in Poor condition

Live comparison across Missouri.

Historical Sufficiency Rating

PlainBridge-computed
79.9 / 100 - historical 50–79.9 band
Structural adequacy /55
46.2
Serviceability /30
18.8
Essentiality /15
14.9
Special reductions
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 How the historical reference is calculated.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

Overall Condition
Unrated

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

Structural Details

Year Built
1968
Material
Steel Continuous
Avg Daily Traffic
37,898 vehicles/day
Structure Number
1852

How to read this record

This page shows what the last federal inspection recorded, not whether SPIRIT OF ST LOUIS 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 SPIRIT OF ST LOUIS against other structures in St. Louis 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 SPIRIT OF ST LOUIS?

SPIRIT OF ST LOUIS in St. Louis, Missouri on the FHWA's 0–9 scale.

How often is SPIRIT OF ST LOUIS inspected?

SPIRIT OF ST LOUIS'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 37,898 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SPIRIT OF ST LOUIS 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 SPIRIT OF ST LOUIS?

An inventory load rating is not recorded for SPIRIT OF ST LOUIS.

Who is responsible for maintaining SPIRIT OF ST LOUIS?

Ownership is not specified for SPIRIT OF ST LOUIS in the NBI.

How old is SPIRIT OF ST LOUIS and does age affect safety?

SPIRIT OF ST LOUIS was built in 1968, making it 58 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.