Infrastructure Development Toolkit

Road Geometric Design Calculator

Calculate road geometry, sight distances, and cross-section elements

Design Speed (km/h)

Road Classification

Terrain Type

Lane Width (m)

Maximum Grade (%)

Maximum Superelevation (%)

Road Design Results

Bridge Load Rating & Analysis

Analyze bridge capacity and load ratings for existing structures

Span Length (m)

Bridge Type

Bridge Age (years)

Condition Rating (1-9)

Average Daily Traffic

Truck Percentage (%)

Bridge Analysis Results

Tunnel Support Design Calculator

Design tunnel support systems and calculate rock loads

Tunnel Diameter/Width (m)

Tunnel Length (m)

Rock Mass Rating (RMR)

Groundwater Conditions

Tunnel Use

Overburden Depth (m)

Tunnel Design Results

Water System Hydraulics Calculator

Design water distribution systems and calculate pipe sizing

Peak Water Demand (L/s)

Pipe Material

Pipe Length (m)

Elevation Difference (m)

Minimum Pressure Requirement (kPa)

System Type

Water System Design Results

Watercourse Improvement Calculator

Design improvements for watercourses and calculate channel capacity

Channel Slope (%)

Channel Material

Bottom Width (m)

Design Depth (m)

Side Slope (H:V)

Design Flow (m³/s)

Improvement Type

Watercourse Design Results

Culvert Hydraulic Design

Size culverts for road crossings and calculate hydraulic capacity

Design Flow Rate (m³/s)

Culvert Shape

Material

Slope (%)

Maximum Headwater Depth (m)

Road Elevation (m)

Stream Elevation (m)