Functionally obsolete 

30

Structurally deficient 

9

Aluminum, Wrought iron, or Cast iron

1

Concrete

44

Concrete continuous

6

Prestressed concrete

45

Prestressed concrete continuous

12

Steel

27

Wood or Timber

1

Highway

135

Railroad

1

Highway

1

Railroad

5

Waterway

129

Other

1

Box beam or Girders - multiple

40

Box beam or Girders - single or spread

1

Culvert

34

Girder and Floorbeam system

1

Slab

4

Stringer / Multi-beam or Girder

39

Tee beam

17