FHWA NBI 2024 Inspection record Public-domain dataset

COUNTY RD 846

Carrying COUNTY RD 846 over DRAIN DTCH

S 19 T 25 N R 13 E, New Madrid, Missouri

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
70 t Inventory load rating Higher than 96% of rated Missouri bridges

COUNTY RD 846 in New Madrid, Missouri sits above 96% of rated Missouri bridges on inventory load rating (70 t), while its 2006 build year is earlier than 27% of New Madrid's recorded-year cohort (282 bridges).

COUNTY RD 846 in New Madrid, Missouri is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 2006, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.

NBI record plate

Structure MO:32154

POST-2000 · CONCRETE · MULTI-SPAN · TIED-CTRL · TRACE-ADT · HEAVY-LOAD · CAT-GOOD

  • POST-2000 2000+
  • CONCRETE Concrete
  • MULTI-SPAN 3 spans
  • TIED-CTRL Tied control
  • TRACE-ADT Trace ADT
  • HEAVY-LOAD Heavy load
  • CAT-GOOD Good

Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.

Bridge Snapshot: COUNTY RD 846

The COUNTY RD 846 bridge in New Madrid, Missouri carries COUNTY RD 846 over DRAIN DTCH. It was built in 2006, making it 20 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 24.5 meters (80 feet) end to end. Daily traffic averages 25 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 7/9, 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.

How COUNTY RD 846 compares

▲ 36.5
Load rating vs Missouri average (33.7 t; 24,616 of 24,618 rated)
282
Bridges in New Madrid · 6 in Poor condition

Age against the county: built in 2006, earlier than 75 of New Madrid's 282 bridges with a recorded construction year (27%), against a county median build year of 1992. This is one of the newer structures in its county.

COUNTY RD 846 70.2 t
Missouri average (24,616 of 24,618 rated) 33.7 t

Live comparison across Missouri bridges with a recorded inventory load rating (24,616 of 24,618 rated).

COUNTY RD 846 vs every rated Missouri bridge

Inventory load rating (metric tons), FHWA NBI, this state

70 Top 4% higher than 96% of 24,616 bridges

rated Missouri bridges, bucketed by value

Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source FHWA National Bridge Inventory · August 2026

Condition Ratings

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

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

Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.

New Madrid inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 282 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.

Structural Details

Year Built
2006
Material
Concrete Continuous
Number of Spans
3
Structure Length
24.5 m (80 ft)
Deck Width
7.5 m (25 ft)
Owner
County Highway Agency
Avg Daily Traffic
25 vehicles/day
Structure Number
32154

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 7/9, with no significant deterioration on file.
  • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether COUNTY RD 846 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 846 against other structures in New Madrid 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 846?

COUNTY RD 846 in New Madrid, Missouri has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is COUNTY RD 846 inspected?

COUNTY RD 846'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 25 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. COUNTY RD 846 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 846?

COUNTY RD 846 has an NBI inventory load rating of 70.2 metric tons.

Who is responsible for maintaining COUNTY RD 846?

COUNTY RD 846 is owned and maintained by County Highway Agency.

How old is COUNTY RD 846 and does age affect safety?

COUNTY RD 846 was built in 2006, making it 20 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

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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.