Functionally obsolete 

83,752

Structurally deficient 

56,006

Aluminum, Wrought iron, or Cast iron

1,777

Concrete

181,254

Concrete continuous

77,502

Masonry

1,733

Prestressed concrete

130,468

Prestressed concrete continuous

26,658

Steel

135,437

Steel continuous

51,479

Wood or Timber

20,297

Other

682

Building or plaza

50

Highway

605,538

Pedestrian-bicycle

55,728

Railroad

7,922

Second level (interchange)

10,051

Third level (interchange)

570

Fourth level (interchange)

165

Other

612

Highway

102,011

Pedestrian-bicycle

934

Railroad

24,479

Waterway

506,390

Waterway (relief)

5,329

Other

3,898

Arch - deck

6,847

Arch - thru

438

Box beam or Girders - multiple

54,635

Box beam or Girders - single or spread

10,913

Channel beam

14,789

Culvert

139,331

Frame

6,264

Girder and Floorbeam system

8,544

Mixed types

26

Movable - bascule

449

Movable - lift

192

Movable - swing

197

Orthotropic

474

Segmental box girder

371

Slab

82,866

Stayed girder

62

Stringer / Multi-beam or Girder

251,852

Suspension

101

Tee beam

36,021

Truss - deck

504

Truss - thru

9,339

Other

3,072