Named bridges

United States National Bridge Inventory

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St. Tammany Parish, Louisiana Statistics

Bridge count: 348


Click on a count to view bridges.



Status

Functionally obsolete 

108

Structurally deficient 

28

Material

Concrete

201

Concrete continuous

6

Prestressed concrete

37

Prestressed concrete continuous

4

Steel

69

Steel continuous

4

Wood or Timber

27

Service on bridge

Highway

327

Pedestrian-bicycle

8

Second level (interchange)

21

Service under bridge

Highway

50

Railroad

7

Waterway

303

Waterway (relief)

3

Other

2

Design

Arch - deck

3

Box beam or Girders - multiple

6

Channel beam

2

Culvert

66

Girder and Floorbeam system

9

Movable - bascule

2

Movable - lift

1

Movable - swing

5

Slab

140

Stringer / Multi-beam or Girder

98

Tee beam

13

Truss - thru

3



Data from the United States National Bridge Inventory (NBI) (2016)