Functionally obsolete 

783

Structurally deficient 

1,232

Aluminum, Wrought iron, or Cast iron

34

Concrete

3,249

Concrete continuous

2,804

Masonry

28

Prestressed concrete

2,369

Prestressed concrete continuous

1,741

Steel

2,454

Steel continuous

1,331

Wood or Timber

613

Other

4

Highway

14,198

Pedestrian-bicycle

1,287

Railroad

333

Second level (interchange)

19

Third level (interchange)

17

Other

1

Highway

2,821

Pedestrian-bicycle

17

Railroad

639

Waterway

11,366

Other

89

Arch - deck

91

Arch - thru

9

Box beam or Girders - multiple

128

Channel beam

218

Culvert

2,103

Frame

66

Girder and Floorbeam system

227

Movable - bascule

31

Movable - lift

9

Slab

4,865

Stayed girder

1

Stringer / Multi-beam or Girder

6,752

Tee beam

42

Truss - deck

17

Truss - thru

62

Other

6