Carrier profile · USDOT 336796 · Updated Jun 13, 2026

SCHILDBERG CONSTRUCTION CO INC

39 power unitsavg 13.5 yrLocal · 1 statesGREENFIELD, IA50/100

AUTHORITY STATUS UNKNOWNRATED SATISFACTORY

Safety

Roadside out-of-service rates versus the national benchmark, inspection and crash trends, decoded violation themes, and ELD / hours-of-service integrity — the full safety picture behind the verdict.

Out-of-service rate· 24-mo cumulative · vs national

Vehicle OOS 50.0%24-mo cumulative

050%

Driver OOS 0.0%24-mo cumulative

030%nat'l 6.67%

Every inspection in the window pooled — 2 vehicle and 4 driver inspections over 24 months.

Roadside inspection history· 24 charted calendar months · vehicle / driver level · any-OOS overlay

4 inspections in the charted months · busiest month Oct '24 · 1

Vehicle-levelDriver-levelAny OOS

Monthly FMCSA roadside inspections across the 24 charted calendar months. Bars show level-qualified vehicle and driver populations; one inspection can qualify for both. The line shows inspections with any out-of-service result.

Inspection coverage· expected vs observed · the fraud signal

Inspection coverage

How heavily FMCSA inspects this fleet for its size — it tells you how much to trust the safety signals above. Thin coverage on a young authority is a fraud signal nobody else surfaces.

Thin coverage

Under-inspected

Expected

Well-monitored

Heavily inspected

≈0.1 / unit·yr

thin signalabundant signal

Few roadside inspections for a 39-unit fleet — the out-of-service and violation signals above rest on a small sample, so weight them cautiously. Thin coverage on a young authority is itself a flag.

Registered power units: 39
Inspections · 24 mo: 4
Annualized: ≈2 / yr
Coverage: ≈0.1 inspections / unit · yr

BASIC categories· CSA SMS · Aug 2026

Unsafe Driving

Vektor peer est.

Hours-of-Service

0violations

clean · per-BASIC

Driver Fitness

0violations

clean · per-BASIC

Controlled Substances

0violations

clean · per-BASIC

Vehicle Maintenance

9measure

SMS · per-BASIC

Percentile = standing among same-exposure peers (higher = worse). FMCSA publishes percentiles for only some carriers (shown official); elsewhere we show a Vektor peer-percentile estimate, or the absolute SMS measure when there are too few inspections to rank.

Violation themes· decoded · grouped by BASIC

What this carrier actually gets cited for — FMCSA violation codes decoded into plain English, ranked by frequency.

392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving6 · 0 OOS
393.75 Tires (defective / underinflated / worn)Vehicle Maintenance1 · 1 OOS
393.9 Inoperative required lampsVehicle Maintenance1 · 0 OOS

ELD & hours-of-service

No hours-of-service or ELD violations on record across 9 inspections — a clean logging history.

Crash history· 14 total · 0 in 24 mo

Total crashes

In last 24 mo

Fatal

Injury

Year	Crashes	Fatal	Injury	Tow
2021	1	0	0	1
2020	1	0	0	1
2019	1	0	1	1
2018	2	0	1	2
2016	1	0	0	1
2015	1	0	1	1
2014	1	0	1	1
2013	1	0	0	1
2012	1	1	0	1
2008	1	0	0	1
2002	1	0	1	1
2000	1	0	1	0
1998	1	1	1	1

Date	State	Fatalities	Injuries	Tow-away
Jul 19, 2021	IA	0	0	Yes
Aug 28, 2020	IA	0	0	Yes
Sep 3, 2019	IA	0	1	Yes
Nov 21, 2018	IA	0	0	Yes
Apr 23, 2018	IA	0	1	Yes
Aug 17, 2016	IA	0	0	Yes
Oct 1, 2015	IA	0	1	Yes
Apr 28, 2014	IA	0	1	Yes
Mar 4, 2013	IA	0	0	Yes
May 21, 2012	IA	1	0	Yes
Aug 11, 2008	IA	0	0	Yes
Sep 26, 2002	IA	0	2	Yes
Jul 17, 2000	IA	0	1	No
Mar 31, 1998	IA	1	1	Yes