Functionally obsolete 

454

Structurally deficient 

223

Aluminum, Wrought iron, or Cast iron

2

Concrete

316

Concrete continuous

21

Masonry

22

Prestressed concrete

248

Prestressed concrete continuous

31

Steel

408

Steel continuous

237

Wood or Timber

2

Highway

1,267

Pedestrian-bicycle

386

Railroad

1

Second level (interchange)

20

Highway

573

Pedestrian-bicycle

8

Railroad

179

Waterway

724

Waterway (relief)

1

Other

33

Arch - deck

88

Arch - thru

11

Box beam or Girders - multiple

106

Box beam or Girders - single or spread

104

Channel beam

2

Culvert

146

Frame

43

Girder and Floorbeam system

74

Segmental box girder

2

Slab

67

Stringer / Multi-beam or Girder

560

Suspension

4

Tee beam

36

Truss - deck

21

Truss - thru

19

Other

4