StreetPave Online utilizes new engineering analyses to provide recommendations for existing concrete pavements and new concrete pavement designs for city, municipal, county, and state roadways.

For both an existing and new pavement design, StreetPave will analyze your design constraints/requirements, pavement properties, and traffic characteristics. For existing concrete pavements, StreetPave will output the theoretical year in which the pavement will fail, along with the total erosion and fatigue that will occur over the user-specified design life. For a new concrete pavement analysis, StreetPave will output a design recommendation for concrete thickness, dowel bar use, and maximum transverse joint spacing.

Terms of Use : The user accepts ALL responsibility for decisions made as a result of the use of this design tool. American Concrete Pavement Association, its Officers, Board of Directors and Staff are absolved of any responsibility for any decisions made as a result of your use. Use of this design tool implies acceptance of the terms of use.


Step 1: Choose design/analysis type


Step 2: Enter project level design constraints/requirements


Percent of Concrete Slabs Cracked at End of Design Life  
Design Life  


Step 3: Input traffic characteristics

Traffic Category

Note: Based on your traffic category selection, StreetPave will automatically determine the likely axle load distribution scenario. If the actual axle load distribution differs, choose the user-defined option and fill-in the table below.

Axle load, kips
Axles / 1000 trucks
Axle load, kips  
Axles / 1000 trucks
Axle load, kips 
Axles / 1000 trucks
Single Axles
Tandem Axles
Tridem Axles
Total Number of Lanes    
Directional Distribution    
Design Lane Distribution    

        Percent Trucks    
Truck traffic growth    
        % per year      



Step 4: Input pavement properties

Resilient Modulus

NOTE: Always use the Resilient Modulus of the untreated subgrade soil. If the subgrade soil is to be treated (or stabilized), include the treated soil as a separate subbase layer in the pavement structure. It is inappropriate to start with a treated or stabilized soil as the pavement subgrade.

You may either directly enter the MRSG value below, or use correlations to California Bearing Ratio (CBR) or Resistance Value (R-value) to estimate MRSG. StreetPave will calculate MRSG using your input.

Composite Modulus of Subgrade Reaction (k)

K value

28-Day Flexural Strength (MR)    
Modulus of Elasticity (E)    
Select Load Transfer Dowels    

Select Edge Support (tied concrete shoulder, curb and gutter, or widened lane)


Step 5: Run analysis and view results

Excact Concrete Design Thickness: in   

Concrete Recommendations:

Concrete Thickness = in
Maximum Transverse Joint Spacing = ft
Dowel Bars: