Functionally obsolete 

185

Structurally deficient 

123

Aluminum, Wrought iron, or Cast iron

10

Concrete

139

Concrete continuous

25

Masonry

27

Prestressed concrete

217

Prestressed concrete continuous

18

Steel

161

Steel continuous

30

Wood or Timber

4

Highway

624

Pedestrian-bicycle

84

Second level (interchange)

7

Highway

155

Pedestrian-bicycle

1

Railroad

37

Waterway

446

Other

2

Arch - deck

46

Box beam or Girders - multiple

82

Box beam or Girders - single or spread

95

Channel beam

1

Culvert

63

Frame

3

Girder and Floorbeam system

24

Slab

29

Stringer / Multi-beam or Girder

224

Tee beam

47

Truss - thru

15

Other

2