DOT | Page 17

Current Pavement Conditions
Current Pavement Condition

Other Assets
Maintained and/or
Managed by LCDOT

ARGUS System optimizes improvements
2013

Failing 11%

Satisfactory
21%

2012
2011

Backlog 2%

2010
2009

year

(partial list)

History of Pavement
Condition

2008
2007
2006
2005
2004
2003

• 357 highway bridges

2002
2001
2000

Good 66%

LCDOT 4/13
Source: 2012 pavement testing

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

rank by percent of total area
Backlog

Failing

Satisfactory

Note: Current year rankings are based on
the previous year's testing.

• 20 bike and pedestrian bridges

Good
Prepared by LCDOT 4/13
Source: 2012 pavement testing

• 19 miles of guardrail
• 14,783 storm sewer structures
• 45 stormwater facilities
• 659 culverts

Sufficiency Ratings:
Lake County's Bridges
Early repairs are most cost effective

35 Bridges Rated
Average Rating: 90

100

Result of Overlay Treatment
Surface Maintenance

$550,000

Thin Overlay

$600,000

90

65% of life
25% quality drop

7 bridges

80

• 161 signal controllers
• 200 miles of storm sewer pipe

Mill, Thin Overlay with Fabric $750,000

pavement condition

70

Mill, Overlay with Fabric

• 42,795 feet of fencing

$875,000

Medium Overlay

$1,650,000

Thick Overlay

60

$1,785,000

Pavement Deterioration
Curve

• 19,642 signs

20 Year Road Design Life

50

40

Reconstruction

$4,415,000

• 16,355 feet of retaining wall

30

20

10

0 bridges

Treatment
Cost
Per Mile

Maintenance
Treatment
Required

28 bridges

0
0

2

4

6

8

10

12

14

pavement life, years

16

18

20

22

24

26

• 36 railroad crossings
• 53 miles of 4’ paved shoulder

Source: Adapted from The Maintainer, Nov/Dec 1986
Revised 4/13 LCDOT

<<< worse
lower than 50

better >>>
50-80

higher than 80

Executive Summary •

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