Functionally obsolete 

65

Structurally deficient 

33

Aluminum, Wrought iron, or Cast iron

1

Concrete

58

Concrete continuous

4

Masonry

1

Prestressed concrete

40

Prestressed concrete continuous

8

Steel

41

Steel continuous

5

Wood or Timber

1

Highway

158

Railroad

1

Highway

6

Railroad

7

Waterway

155

Other

2

Arch - deck

1

Arch - thru

1

Box beam or Girders - multiple

33

Box beam or Girders - single or spread

4

Channel beam

4

Culvert

28

Girder and Floorbeam system

2

Slab

1

Stringer / Multi-beam or Girder

54

Tee beam

29

Truss - deck

1

Truss - thru

1