Functionally obsolete 

455

Structurally deficient 

304

Aluminum, Wrought iron, or Cast iron

49

Concrete

1,407

Concrete continuous

75

Masonry

66

Prestressed concrete

205

Prestressed concrete continuous

4

Steel

1,524

Steel continuous

412

Wood or Timber

170

Other

5

Highway

3,783

Pedestrian-bicycle

619

Railroad

36

Second level (interchange)

1

Third level (interchange)

1

Other

17

Highway

580

Pedestrian-bicycle

57

Railroad

134

Waterway

3,214

Waterway (relief)

4

Other

10

Arch - deck

83

Arch - thru

5

Box beam or Girders - multiple

54

Box beam or Girders - single or spread

3

Channel beam

1

Culvert

966

Frame

452

Girder and Floorbeam system

52

Movable - bascule

2

Movable - lift

2

Slab

566

Stringer / Multi-beam or Girder

1,522

Tee beam

80

Truss - deck

8

Truss - thru

81

Other

40