Functionally obsolete 

223

Structurally deficient 

31

Aluminum, Wrought iron, or Cast iron

1

Concrete

920

Concrete continuous

268

Prestressed concrete

246

Prestressed concrete continuous

235

Steel

138

Steel continuous

113

Wood or Timber

12

Highway

1,929

Pedestrian-bicycle

500

Railroad

2

Second level (interchange)

4

Highway

667

Pedestrian-bicycle

11

Railroad

117

Waterway

1,169

Waterway (relief)

4

Other

16

Arch - deck

21

Box beam or Girders - multiple

352

Box beam or Girders - single or spread

185

Culvert

824

Frame

37

Girder and Floorbeam system

22

Segmental box girder

6

Slab

205

Stringer / Multi-beam or Girder

241

Tee beam

36

Truss - deck

1

Truss - thru

3