Functionally obsolete 

457

Structurally deficient 

352

Aluminum, Wrought iron, or Cast iron

47

Concrete

723

Concrete continuous

30

Masonry

9

Prestressed concrete

153

Prestressed concrete continuous

30

Steel

904

Steel continuous

509

Wood or Timber

42

Other

147

Highway

2,435

Pedestrian-bicycle

384

Railroad

2

Second level (interchange)

15

Other

139

Highway

401

Pedestrian-bicycle

6

Railroad

146

Waterway

1,950

Other

142

Arch - deck

34

Arch - thru

4

Box beam or Girders - multiple

15

Box beam or Girders - single or spread

12

Culvert

349

Frame

56

Girder and Floorbeam system

47

Movable - bascule

1

Movable - lift

11

Movable - swing

4

Slab

394

Stringer / Multi-beam or Girder

1,233

Suspension

2

Tee beam

234

Truss - deck

4

Truss - thru

48

Other

146