Insufficient working load limits for tiedowns on a group of concrete pipes
Vehicle Maintenance3Non-OOS· SMS Appendix A v3.20
393.124(b) is a Tiedown violation under 49 CFR §393.124(b). It falls in the Vehicle Maintenance BASIC with a severity weight of 3/10. Nationally it was cited 6 times in the last five years, with an OOS rate of 83.3%.
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National roadside inspection stats
as of 6/20/2026
Inspections
5
that found this code
Violations
6
total written
OOS rate
83.3%
5 OOS
Source: FMCSA roadside inspection data (last 5 years). The OOS rate is the share of these violations that led the officer to mark the driver or vehicle out of service.
Violation group
Tiedown
Regulation §
393.124(b)
Severity weight
3
Used in SMS
Yes
Status
Active
Updated
6/20/2026
Last updated June 2026
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393.124(b) is the FMCSA roadside-inspection violation code for "Insufficient working load limits for tiedowns on a group of concrete pipes", part of the Tiedown group, cited under 49 CFR §393.124(b).
What BASIC does 393.124(b) affect?
393.124(b) falls under the Vehicle Maintenance BASIC in the FMCSA Safety Measurement System (SMS).
What is the CSA severity weight of 393.124(b)?
393.124(b) carries a severity weight of 3 out of 10. Higher weights indicate violations more closely tied to crash risk, and they count more toward a carrier's Vehicle Maintenance score.
Is 393.124(b) an out-of-service (OOS) violation?
No. 393.124(b) is not an out-of-service violation, so on its own it does not trigger an out-of-service order at the roadside.
How many CSA points does 393.124(b) add to a carrier's score?
The point contribution of 393.124(b) depends on its severity weight (3/10) multiplied by a time weight of 3, 2, or 1 based on how recent the inspection is. You can calculate the exact contribution with the CSA points calculator.
Can 393.124(b) be challenged through DataQs?
Yes. If you believe 393.124(b) was recorded in error, you can file a Request for Data Review (RDR) through the FMCSA DataQs system with supporting evidence. A successful challenge can remove or correct the violation on your record.