AEROSPACE_SUPERLOAD_ROUTE_GUIDE • 20+ FT CLEARANCE • CONTRAFLOW CROSSOVERS • RORO BARGE

Aerospace Rocket Superload Corridor Route Guide

3D LiDAR route surveys, overhead utility wire elevation lifting, highway median contraflow crossover engineering, bridge axle loading distributions, and marine barge roll-off ramps.

VERTICAL HEADROOM SWEEPS

Overhead Bridge Clearance

Transporting 5m+ diameter rocket stages on lowbed transporters demands ≥ 20 ft vertical clearance. Mobile 3D LiDAR survey vehicles map every overhead bridge beam, traffic signal mast, and sign gantry to 0.1-inch accuracy prior to convoy departure.

CONTRAFLOW CROSSOVERS

Wrong-Way Highway Ramps

Standard diamond interchanges and tight cloverleaf curves cannot accommodate a 220-foot turn radius. Route engineers construct temporary steel plate crossovers across highway grass medians, operating against traffic under total state police rolling blockades.

INTERMODAL BARGE RORO

Tidal Ballast Roll-Off

When land routes are blocked by low structural bridges, rocket stages transition to ocean deck barges (e.g. Cape Canaveral / Port of Los Angeles). Hydraulic ballast pumping compensates for tidal surge and transporter wheel weight transfer onto shoreline ramps.

Corridor Overhead Clearance & Swept-Path Engine

Simulate loaded height, bridge underpass minimums, utility wire lift points, and escort requirements.

AASHTO SUPERLOAD STANDARDS
TOTAL TRANSPORT HEIGHT
19 ft 8 in
Ground to highest point
MINIMUM BRIDGE UNDERPASS
20 ft 2 in
Includes 6-inch safety buffer
ESTIMATED WIRE LIFTS
18 Lifts
Utility bucket trucks required
POLICE ROLLING CLOSURES
6 Escorts
State Highway Patrol + Pole Car
ROUTE PERMIT DIRECTIVE: Total load height (19 ft 8 in) exceeds standard interstate underpass clear heights (typically 16-17 ft). Requires dedicated off-ramp detours, wrong-way median crossovers, and 18 overhead utility wire lift crews.

01. LiDAR Height Pole Scouting

  • ✓ Electronic Lead Pole Vehicle: Lead scout vehicle runs 1,500 feet ahead equipped with a physical fiberglass height wand set 6 inches higher than the highest load point.
  • ✓ Bridge Girder Ultrasonic Proximity: Ultrasonic or laser clearance sensors mounted to the front transporter bolster sound real-time cab alarms if headroom drops below 8 inches.

02. State DOT Permit Coordination

  • ✓ Bridge Engineering Stress Calcs: State DOT bridge bureaus calculate shear and moment diagrams for each span before issuing multi-county superload routing authorizations.
  • ✓ Night Travel Mandates: Highway convoy operations restricted to low-density hours (00:00 to 05:00) with lighted LED perimeter marker boards on all transporter sides.
AEROSPACE SUPERLOAD TMS ENGINE

Plan Rocket Superload Corridors in Exspeedite TMS

Automate bridge vertical clearance checking, police escort scheduling, and multi-state superload permitting in Exspeedite.