Functionally obsolete 

227

Structurally deficient 

661

Concrete

1,325

Concrete continuous

155

Prestressed concrete

779

Prestressed concrete continuous

505

Steel

1,007

Steel continuous

207

Wood or Timber

434

Other

1

Highway

4,229

Pedestrian-bicycle

20

Railroad

13

Second level (interchange)

171

Other

4

Highway

320

Railroad

103

Waterway

4,017

Waterway (relief)

6

Other

2

Arch - deck

1

Arch - thru

1

Box beam or Girders - multiple

224

Box beam or Girders - single or spread

641

Channel beam

287

Culvert

1,044

Girder and Floorbeam system

13

Segmental box girder

1

Slab

96

Stringer / Multi-beam or Girder

1,543

Tee beam

381

Truss - thru

178

Other

3