Your state e-file may be incomplete until your federal return is showing processed AND accepted. You can check your return status here:
https://ttlc.intuit.com/replies/3319882
Additionally, please find the following helpful FAQ that may provide some information on why your state E-file is still pending:
https://ttlc.intuit.com/replies/3302294
Finally, you can track your state refund here:
https://ttlc.intuit.com/replies/3300211