---
title: Delaware Oversize & Overweight Permits (OS/OW) | DelDOT Superload | Alpine Truck Service
description: Expedited Delaware DelDOT oversize permits, I-95/I-295 clearances, Delaware Memorial Bridge coordination, and DSP escorts. Call (918) 607-6547.
image: https://www.alpinetruckservice.com/alpine-third-party-charges.webp
---

# Delaware Oversize, Overweight & Superload Permitting Services

Comprehensive commercial trucking permits and heavy haul compliance across Delaware.

## Agency & Permitting Authority
- **Agency**: Delaware Department of Transportation (DelDOT)
- **Portal**: DelDOT Motor Carrier OS/OW Permitting System
- **Regulatory Advisory**: State DOT regulations and permit processing queues are determined by individual state transportation authorities and vary by agency workload. Carriers should verify active route advisories and state requirements prior to movement.

## Legal vs. Routine Permitted Dimensions
- **Legal Width**: 8' 6" | **Max Routine**: 15' 0"
- **Legal Height**: 13' 6" | **Max Routine**: 14' 6"
- **Legal Length**: 53' Semi-Trailer / 65' Overall | **Max Routine**: 120' 0"
- **Legal Gross Weight**: 80,000 lbs | **Max Routine**: 120,000 lbs
- **Axle Limits**: Single: 20,000 lbs, Tandem: 34,000 lbs, Tridem: 42,000 lbs

## Permitting Scope & Services in Delaware
- **Routine Oversize (OS) Cab-Cards**: Single-trip authorizations for dimensions exceeding 8' 6" width or 13' 6" height.
- **Overweight (OW) Axle Permits**: Overload cab-cards for heavy machinery and configurations exceeding 80,000 lbs GVW.
- **Multi-Axle Superload Permits**: Specialized filings exceeding Over 120,000, including State DOT and certified partner bridge reviews, route surveys, and police escorts.
- **Annual & Blanket Fleet Permits**: Continuous-operation annual highway authorizations for construction fleets.
- **Temporary Trip & Fuel Permits**: 72-hour IRP vehicle registration and IFTA fuel tax credentials.
- **County, City & Toll Road Clearances**: Municipal authorizations and turnpike clearances.

## Superload Permitting & State Review Protocol
- **Weight Trigger**: Over 120,000 lbs GVW or exceeding standard Delaware axle weight formulas
- **Width Trigger**: Over 15' 0" wide
- **Height Trigger**: Over 15' 0" high
- **Length Trigger**: Over 120' 0" overall length
- **State & Partner Bridge Review**: Delaware Department of Transportation (DelDOT) electronic systems and certified structural engineering partners evaluate axle load distribution across bridge structures upon submission.
- **Route Surveys & Clearances**: Required for extreme heights/widths to verify overhead physical clearances.
- **Utility & Escorts**: Coordinated wire lifts with power utilities and State Police / Highway Patrol escorts.

## Pilot Cars & Escort Vehicle Requirements
- **Front Escort**: Required over 12' 0" wide on two-lane roads; over 13' 0" wide on multi-lane highways
- **Rear Escort**: Required over 13' 0" wide on multi-lane highways or length exceeding 90' 0"
- **Height Pole**: Required for loads exceeding 14' 6" in height (lead vehicle with calibrated pole)
- **Police Escort**: Delaware State Police (DSP) escort required over 15' 0" wide, 15' 0" high, or gross weight over 120,000 lbs

## Metro Curfews & Travel Restrictions
- **Curfew Zones**:
  - Wilmington Metro & I-95 / I-495 / I-295 Corridors: 7:00–9:00 AM & 4:00–6:30 PM M-F
  - Route 1 Coastal Corridor during peak summer weekend tourist traffic
- **Travel Rules**: Daylight only (sunrise to sunset) Monday through Friday. Saturday travel allowed until 12:00 noon for loads under 12' wide. No Sunday travel.

## Key Freight Corridors
- I-95 (Northeast Freight Spine)
- I-495 (Wilmington Bypass)
- I-295 (Delaware Memorial Bridge Approach)
- US-13 (North-South Dupont Hwy)
- US-113
- DE-1 (Toll Expressway)

## Frequently Asked Questions
### How fast can Alpine obtain a Delaware DelDOT oversize permit?
Routine single-trip permits are typically processed by DelDOT within 2–4 business hours. Alpine audits dimensions and submits directly through the state portal.

### What are Delaware's pilot car escort requirements?
Delaware mandates 1 pilot car for loads over 12' wide on two-lane roads and over 13' wide on multi-lane highways. Loads over 90' long require a rear escort. Height over 14'6" requires a height pole.

### Are oversize loads permitted across the Delaware Memorial Bridge?
Yes, but loads exceeding 10' wide or 14' high must coordinate crossing schedules with the Delaware River and Bay Authority (DRBA).

### What is Delaware's superload weight threshold?
Loads over 120,000 lbs GVW or 15' wide are classified as superloads, requiring DelDOT structural bridge review and Delaware State Police escorts.

## Contact & Direct Dispatch
- **Direct Phone**: (918) 607-6547 (CALL: [918-607-6547](tel:9186076547))
- **Email**: [permits@alpinetruck.com](mailto:permits@alpinetruck.com)
- **Online Intake**: [alpinetruckservice.com/permits/delaware](https://www.alpinetruckservice.com/permits/delaware)