Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE bridge ( name VARCHAR, architect_id VARCHAR, length_feet VARCHAR )
TABLE: CREATE TABLE architect ( id VARCHAR, nationality VARCHAR )

### Question ###
show the name of all bridges that was designed by american archtect, and sort the result by the bridge feet length.

### Accurate SQL ###

SELECT t1.name FROM bridge AS t1 JOIN architect AS t2 ON t1.architect_id = t2.id WHERE t2.nationality = 'American' ORDER BY t1.length_feet