Functionally obsolete 

661

Structurally deficient 

155

Aluminum, Wrought iron, or Cast iron

5

Concrete

790

Concrete continuous

13

Masonry

11

Prestressed concrete

175

Prestressed concrete continuous

7

Steel

1,474

Steel continuous

280

Wood or Timber

87

Highway

2,771

Pedestrian-bicycle

281

Railroad

59

Third level (interchange)

1

Other

1

Highway

462

Pedestrian-bicycle

4

Railroad

90

Waterway

2,375

Waterway (relief)

3

Arch - deck

8

Arch - thru

12

Box beam or Girders - multiple

39

Box beam or Girders - single or spread

2

Channel beam

5

Culvert

226

Frame

21

Girder and Floorbeam system

72

Movable - bascule

1

Slab

470

Stringer / Multi-beam or Girder

1,549

Suspension

1

Tee beam

293

Truss - deck

11

Truss - thru

129

Other

3