FHWA NBI 2024 Inspection record Public-domain dataset

COUNTY RD 492

Carrying COUNTY RD 492 over DRAIN DTCH

S 11 T 16 N R 10 E, Pemiscot, Missouri

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
22 t Inventory load rating

Bridge Snapshot: COUNTY RD 492

The COUNTY RD 492 bridge in Pemiscot, Missouri carries COUNTY RD 492 over DRAIN DTCH. It was built in 1988, making it 38 years old today. The structure is built primarily of prestressed concrete and spans 5 sections, stretching 64.6 meters (212 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 6/9, superstructure at 6/9, substructure at 7/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 21.6 metric tons.

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

How COUNTY RD 492 compares

▼ 12.1
Load rating vs Missouri average (33.7 t)
Bottom 23%
Lower load rating than 77% of Missouri bridges
206
Bridges in Pemiscot · 15 in Poor condition
COUNTY RD 492 21.6 t
Missouri average 33.7 t

Live comparison across Missouri.

Historical Sufficiency Rating

PlainBridge-computed
73.9 / 100 - historical 50–79.9 band
Structural adequacy /55
43.5
Serviceability /30
15.5
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
7/9
Good (7–9)
Inventory Load Rating
21.6 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1988
Material
Prestressed Concrete
Number of Spans
5
Structure Length
64.6 m (212 ft)
Deck Width
6.5 m (21 ft)
Owner
County Highway Agency
Avg Daily Traffic
100 vehicles/day
Structure Number
21691

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether COUNTY RD 492 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 492 against other structures in Pemiscot 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 492?

COUNTY RD 492 in Pemiscot, Missouri has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is COUNTY RD 492 inspected?

COUNTY RD 492'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 492 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 COUNTY RD 492?

COUNTY RD 492 has an NBI inventory load rating of 21.6 metric tons.

Who is responsible for maintaining COUNTY RD 492?

COUNTY RD 492 is owned and maintained by County Highway Agency.

How old is COUNTY RD 492 and does age affect safety?

COUNTY RD 492 was built in 1988, making it 38 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.