< Culvert Diameters
Florida Division of Forestry
Silviculture Best Management Practices
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Table of Contents

Acknowledgements

Foreword

Special Management Zones

Best Management Practices

Appendices

Glossary

 

Table A: Culvert Diameters (Inches) for Flat Conditions
Slopes Upstream 0-0.05%
Stream
Stream Depth (Ft.)
Width (Ft.)
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
1
12
12
-
-
-
-
-
-
2
12
12
18
24
-
-
-
-
3
12
15
18
24
30
36
-
-
4
12
18
21
27
33
36
42
-
5
12
18
21
30
36
42
48
54
6
12
21
24
33
42
42
54
60
7
15
21
24
36
42
48
60
60
8
15
24
30
36
42
54
60
2-48
9
15
24
33
42
48
54
60
2-54
10
18
27
36
42
48
60
2-42
2-54
Silviculture Best Management Practices 77