FHWA NBI 2024 Inspection record Public-domain dataset

PARK RD B

Carrying PARK RD B over BR OF DARDENNE CR

S 887 T 46 N R 2 E, St. Charles, Missouri

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
16 t Inventory load rating

Bridge Snapshot: PARK RD B

The PARK RD B bridge in St. Charles, Missouri carries PARK RD B over BR OF DARDENNE CR. It was built in 1942, making it 84 years old today. The structure is built primarily of steel and spans 2 sections, stretching 7.6 meters (25 feet) end to end. Daily traffic averages 1,000 vehicles, placing it in the lower-traffic tier of Missouri bridges. It is owned and maintained by State Park/Forest/Reservation.

The latest FHWA inspection records show culvert at 4/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 16.2 metric tons.

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

How PARK RD B compares

▼ 17.5
Load rating vs Missouri average (33.7 t)
Bottom 11%
Lower load rating than 89% of Missouri bridges
418
Bridges in St. Charles · 13 in Poor condition
PARK RD B 16.2 t
Missouri average 33.7 t

Live comparison across Missouri.

Historical Sufficiency Rating

PlainBridge-computed
51.7 / 100 - historical 50–79.9 band
Structural adequacy /55
8.8
Serviceability /30
28.0
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 How the historical reference is calculated.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

Culvert
4/9
Poor (1–4)
Inventory Load Rating
16.2 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1942
Material
Steel
Number of Spans
2
Structure Length
7.6 m (25 ft)
Owner
State Park/Forest/Reservation
Avg Daily Traffic
1,000 vehicles/day
Structure Number
25541

How to read this record

PARK RD B is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare PARK RD B 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 PARK RD B?

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

How often is PARK RD B inspected?

PARK RD B'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 1,000 vehicles per day.

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

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

What is the inventory load rating for PARK RD B?

PARK RD B has an NBI inventory load rating of 16.2 metric tons.

Who is responsible for maintaining PARK RD B?

PARK RD B is owned and maintained by State Park/Forest/Reservation.

How old is PARK RD B and does age affect safety?

PARK RD B was built in 1942, making it 84 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.