Functionally obsolete 

39

Structurally deficient 

20

Concrete

46

Concrete continuous

20

Prestressed concrete

46

Prestressed concrete continuous

8

Steel

13

Steel continuous

6

Highway

135

Railroad

4

Highway

24

Railroad

10

Waterway

105

Waterway (relief)

1

Arch - thru

1

Box beam or Girders - multiple

41

Box beam or Girders - single or spread

4

Culvert

33

Girder and Floorbeam system

5

Stringer / Multi-beam or Girder

19

Tee beam

34

Truss - deck

1

Truss - thru

1