FHWA NBI 2024 Inspection record Public-domain dataset

SIBLEY SST

Carrying SIBLEY SST over BOSCHERT CR

S 2892 T 47 N R 5 E, St. Charles, Missouri

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
80 t Inventory load rating

Bridge Snapshot: SIBLEY SST

The SIBLEY SST bridge in St. Charles, Missouri carries SIBLEY SST over BOSCHERT CR. It was built in 2019, making it 7 years old today. The structure is built primarily of concrete and spans 1 section, stretching 6.4 meters (21 feet) end to end. Daily traffic averages 3,100 vehicles, placing it in the moderately-trafficked tier of Missouri bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show culvert at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 80.1 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How SIBLEY SST compares

▲ 46.4
Load rating vs Missouri average (33.7 t)
Top 3%
Higher load rating than 97% of Missouri bridges
418
Bridges in St. Charles · 13 in Poor condition
SIBLEY SST 80.1 t
Missouri average 33.7 t

Live comparison across Missouri.

Historical Sufficiency Rating

PlainBridge-computed
99.7 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
14.7
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 How the historical reference is calculated.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

Culvert
7/9
Good (7–9)
Inventory Load Rating
80.1 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2019
Material
Concrete
Number of Spans
1
Structure Length
6.4 m (21 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
3,100 vehicles/day
Structure Number
36267

How to read this record

This page shows what the last federal inspection recorded, not whether SIBLEY SST 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 SIBLEY SST against other structures in St. Charles 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 SIBLEY SST?

SIBLEY SST in St. Charles, Missouri on the FHWA's 0–9 scale.

How often is SIBLEY SST inspected?

SIBLEY SST'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 3,100 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SIBLEY SST is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for SIBLEY SST?

SIBLEY SST has an NBI inventory load rating of 80.1 metric tons.

Who is responsible for maintaining SIBLEY SST?

SIBLEY SST is owned and maintained by City/Municipal Highway Agency.

How old is SIBLEY SST and does age affect safety?

SIBLEY SST was built in 2019, making it 7 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.