Analysis of information sources in references of the Wikipedia article "11th Street Bridges" in English language version.
...The twin 11th Street Bridges, which are now in use...
The ratings apply to the three primary components of a bridge: the deck, superstructure, and substructure. See: Federal Highway Administration. "Bridge System Conditions." In Status of the Nation's Highways, Bridges, and Transit: 2004 Conditions and Performance. Archived October 19, 2008, at the Wayback Machine Federal Transit Administration. U.S. Department of Transportation. Washington, D.C.: U.S. Government Printing Office, 2004.'0' Failed
'1' Imminent
'2' Critical
'3' Serious
'4' Poor
'5' Fair
'6' Satisfactory
'7' Good
'8' Very good
'9' Excellent
The ratings apply to the three primary components of a bridge: the deck, superstructure, and substructure. See: Federal Highway Administration. "Bridge System Conditions." In Status of the Nation's Highways, Bridges, and Transit: 2004 Conditions and Performance. Archived October 19, 2008, at the Wayback Machine Federal Transit Administration. U.S. Department of Transportation. Washington, D.C.: U.S. Government Printing Office, 2004.'0' Failed
'1' Imminent
'2' Critical
'3' Serious
'4' Poor
'5' Fair
'6' Satisfactory
'7' Good
'8' Very good
'9' Excellent