Functionally obsolete 

76

Structurally deficient 

45

Aluminum, Wrought iron, or Cast iron

5

Concrete

80

Concrete continuous

7

Masonry

4

Prestressed concrete

148

Prestressed concrete continuous

12

Steel

52

Steel continuous

29

Wood or Timber

2

Highway

327

Pedestrian-bicycle

33

Second level (interchange)

11

Third level (interchange)

1

Highway

138

Railroad

20

Waterway

185

Other

1

Arch - deck

12

Box beam or Girders - multiple

28

Box beam or Girders - single or spread

81

Channel beam

2

Culvert

29

Frame

13

Girder and Floorbeam system

7

Slab

21

Stringer / Multi-beam or Girder

117

Tee beam

22

Truss - thru

6

Other

1