FHWA NBI 2024 Inspection record Public-domain dataset

DROSTE RD

Carrying DROSTE RD over COLE CR

S 25 T 47 N R 4 E, St. Charles, Missouri

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
18 t Inventory load rating

Bridge Snapshot: DROSTE RD

The DROSTE RD bridge in St. Charles, Missouri carries DROSTE RD over COLE CR. It was built in 1964, making it 62 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 9.8 meters (32 feet) end to end. Daily traffic averages 13,300 vehicles, placing it in the heavily-trafficked tier of Missouri bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show culvert at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 18.0 metric tons.

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

How DROSTE RD compares

▼ 15.7
Load rating vs Missouri average (33.7 t)
Bottom 18%
Lower load rating than 82% of Missouri bridges
418
Bridges in St. Charles · 13 in Poor condition
DROSTE RD 18.0 t
Missouri average 33.7 t

Live comparison across Missouri.

Historical Sufficiency Rating

PlainBridge-computed
74.0 / 100 - historical 50–79.9 band
Structural adequacy /55
37.2
Serviceability /30
26.0
Essentiality /15
10.8
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Inventory Load Rating
18.0 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1964
Material
Concrete
Number of Spans
2
Structure Length
9.8 m (32 ft)
Deck Width
14.0 m (46 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
13,300 vehicles/day
Structure Number
22958

How to read this record

This page shows what the last federal inspection recorded, not whether DROSTE RD 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 DROSTE RD 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 DROSTE RD?

DROSTE RD in St. Charles, Missouri on the FHWA's 0–9 scale.

How often is DROSTE RD inspected?

DROSTE RD'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 13,300 vehicles per day.

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

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

What is the inventory load rating for DROSTE RD?

DROSTE RD has an NBI inventory load rating of 18.0 metric tons.

Who is responsible for maintaining DROSTE RD?

DROSTE RD is owned and maintained by City/Municipal Highway Agency.

How old is DROSTE RD and does age affect safety?

DROSTE RD was built in 1964, making it 62 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.