Functionally obsolete 

125

Structurally deficient 

26

Aluminum, Wrought iron, or Cast iron

4

Concrete

85

Concrete continuous

4

Prestressed concrete

127

Prestressed concrete continuous

27

Steel

56

Steel continuous

28

Wood or Timber

1

Highway

320

Railroad

12

Highway

53

Railroad

17

Waterway

311

Waterway (relief)

1

Other

1

Box beam or Girders - multiple

93

Box beam or Girders - single or spread

14

Culvert

58

Girder and Floorbeam system

9

Segmental box girder

1

Slab

7

Stringer / Multi-beam or Girder

121

Tee beam

26

Truss - thru

3