Functionally obsolete 

225

Structurally deficient 

1,147

Aluminum, Wrought iron, or Cast iron

4

Concrete

579

Concrete continuous

2,310

Masonry

12

Prestressed concrete

969

Prestressed concrete continuous

190

Steel

1,167

Steel continuous

384

Wood or Timber

252

Highway

5,846

Pedestrian-bicycle

126

Railroad

17

Second level (interchange)

1

Third level (interchange)

1

Highway

460

Pedestrian-bicycle

1

Railroad

110

Waterway

5,341

Waterway (relief)

2

Other

1

Arch - deck

9

Arch - thru

2

Box beam or Girders - multiple

33

Box beam or Girders - single or spread

3

Channel beam

229

Culvert

1,392

Frame

18

Girder and Floorbeam system

25

Slab

1,302

Stringer / Multi-beam or Girder

1,910

Tee beam

823

Truss - deck

2

Truss - thru

119