§ 10-4-9. CULVERTS AND BRIDGES.

Latest version.

Cross street culverts and bridges shall be designed to the criteria in the following table:

Table 10-4.2

Culvert and Bridge Design Criteria

Street Classification	Peak Frequencies
Street Classification	10-Year	50-year	100-year
Local and minor collector	Runnoff to be conveyed by culvert or bridge under road with no flow overtoppng the road	Runnoff to be conveyed by culvert or bridge and by flow over the road wit a maximum 6-inch flow depth over the road.	Runnoff to be conveyed by culvert or bridge and by flow over the road with a maximum 12-inch flow dept over the road.
Collector, arterial and parkway	Runnoff to be conveyed by culvert or bridge under road with no flow overtopping the road.	Runnoff to be conveyed by culvert and by flow over the road with maximum 6-inch flow depth over the road Minimum freeboard for bridges is 2 feet.

(Ord. passed - - )

                    
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