Summary of Noise Barriers Constructed by December 31, 2010

Noise Barrier Construction Material Average Unit Cost by Height

Material Average Unit Cost
(2010 $/Square Foot)
Height	Concrete	Block	Wood	Metal	Berm	Brick	Combination	Absorptive	All Mat'ls
>=30 Feet	100	5	36	17	9	0	100	0	267
27-29 feet	30	0	0	0	0	0	17	27	27
24-26 feet	21	13	23	22	3	0	14	17	21
21-23 feet	32	0	35	0	4	0	16	24	30
18-20 feet	32	30	16	15	12	23	21	26	28
15-17 feet	29	27	21	17	6	30	19	34	26
12-14 feet	29	23	22	16	6	34	23	27	26
9-11 feet	31	26	19	26	6	36	23	42	26
6-8 feet	24	21	22	21	8	36	25	23	22
<6 Feet	48	3	2	2	9	0	1	0	66

ALL	11,227	3,848	1,277	499	388	128	2,352	363	20,310

NOTE:
Square feet of noise barriers constructed with 'Other' materials - 1,946,829
Costing approximately - $34 per square foot