Functionally obsolete 

129

Structurally deficient 

93

Aluminum, Wrought iron, or Cast iron

4

Concrete

168

Concrete continuous

11

Masonry

10

Prestressed concrete

213

Prestressed concrete continuous

9

Steel

94

Steel continuous

40

Highway

528

Pedestrian-bicycle

61

Second level (interchange)

21

Highway

72

Railroad

20

Waterway

469

Other

1

Arch - deck

27

Box beam or Girders - multiple

114

Box beam or Girders - single or spread

76

Channel beam

1

Culvert

61

Frame

10

Girder and Floorbeam system

4

Segmental box girder

2

Slab

35

Stringer / Multi-beam or Girder

151

Tee beam

58

Truss - deck

1

Truss - thru

6

Other

3