Functionally obsolete 

343

Structurally deficient 

95

Aluminum, Wrought iron, or Cast iron

7

Concrete

678

Concrete continuous

313

Masonry

2

Prestressed concrete

911

Prestressed concrete continuous

189

Steel

585

Steel continuous

329

Wood or Timber

98

Other

3

Highway

2,685

Pedestrian-bicycle

330

Railroad

27

Second level (interchange)

347

Third level (interchange)

7

Other

18

Highway

971

Pedestrian-bicycle

24

Railroad

215

Waterway

1,995

Waterway (relief)

2

Other

40

Arch - deck

14

Arch - thru

3

Box beam or Girders - multiple

54

Box beam or Girders - single or spread

21

Culvert

640

Frame

235

Girder and Floorbeam system

19

Segmental box girder

2

Slab

147

Stayed girder

1

Stringer / Multi-beam or Girder

1,651

Tee beam

287

Truss - deck

3

Truss - thru

25

Other

13