FHWA NBI 2024 Inspection record Public-domain dataset

COUNTY RD 499

Carrying COUNTY RD 499 over MINGO SPLWY DTCH

S 17 T 26 N R 8 E, Stoddard, Missouri

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
33 t Inventory load rating

Bridge Snapshot: COUNTY RD 499

The COUNTY RD 499 bridge in Stoddard, Missouri carries COUNTY RD 499 over MINGO SPLWY DTCH. It was built in 2010, making it 16 years old today. The structure is built primarily of prestressed concrete continuous and spans 3 sections, stretching 44.2 meters (145 feet) end to end. Daily traffic averages 100 vehicles, placing it in the lower-traffic tier of Missouri bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 9/9, substructure at 7/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 33.3 metric tons.

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

How COUNTY RD 499 compares

▼ 0.4
Load rating vs Missouri average (33.7 t)
Top 46%
Higher load rating than 54% of Missouri bridges
434
Bridges in Stoddard · 16 in Poor condition
COUNTY RD 499 33.3 t
Missouri average 33.7 t

Live comparison across Missouri.

Historical Sufficiency Rating

PlainBridge-computed
94.7 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
24.8
Essentiality /15
15.0
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 How the historical reference is calculated.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

Deck
7/9
Good (7–9)
Superstructure
9/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
33.3 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2010
Material
Prestressed Concrete Continuous
Number of Spans
3
Structure Length
44.2 m (145 ft)
Deck Width
7.3 m (24 ft)
Owner
County Highway Agency
Avg Daily Traffic
100 vehicles/day
Structure Number
32760

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) rates good at 9/9, with no significant deterioration on file.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether COUNTY RD 499 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 COUNTY RD 499 against other structures in Stoddard 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 COUNTY RD 499?

COUNTY RD 499 in Stoddard, Missouri has a deck rating of 7/9, superstructure rating of 9/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is COUNTY RD 499 inspected?

COUNTY RD 499'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 100 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. COUNTY RD 499 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 COUNTY RD 499?

COUNTY RD 499 has an NBI inventory load rating of 33.3 metric tons.

Who is responsible for maintaining COUNTY RD 499?

COUNTY RD 499 is owned and maintained by County Highway Agency.

How old is COUNTY RD 499 and does age affect safety?

COUNTY RD 499 was built in 2010, making it 16 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.