Functionally obsolete 

42

Structurally deficient 

11

Concrete

27

Concrete continuous

5

Prestressed concrete

52

Prestressed concrete continuous

30

Steel

34

Steel continuous

28

Wood or Timber

1

Highway

139

Pedestrian-bicycle

3

Railroad

32

Third level (interchange)

2

Fourth level (interchange)

2

Other

1

Highway

87

Railroad

20

Waterway

87

Arch - deck

1

Box beam or Girders - multiple

45

Box beam or Girders - single or spread

4

Channel beam

1

Culvert

15

Girder and Floorbeam system

3

Slab

5

Stringer / Multi-beam or Girder

88

Suspension

1

Tee beam

11

Truss - thru

3