Functionally obsolete 

423

Structurally deficient 

800

Aluminum, Wrought iron, or Cast iron

9

Concrete

5,770

Concrete continuous

744

Masonry

14

Prestressed concrete

3,267

Prestressed concrete continuous

9

Steel

1,190

Steel continuous

1,311

Wood or Timber

1,256

Other

1

Building or plaza

4

Highway

13,356

Pedestrian-bicycle

1,476

Railroad

89

Other

10

Highway

1,880

Pedestrian-bicycle

102

Railroad

582

Waterway

11,185

Waterway (relief)

6

Other

84

Arch - deck

54

Arch - thru

7

Box beam or Girders - multiple

90

Box beam or Girders - single or spread

2

Channel beam

7

Culvert

5,730

Frame

47

Girder and Floorbeam system

195

Movable - bascule

1

Movable - lift

2

Movable - swing

2

Segmental box girder

6

Slab

1,805

Stayed girder

1

Stringer / Multi-beam or Girder

5,496

Suspension

1

Tee beam

29

Truss - deck

3

Truss - thru

82

Other

11