Appendix C.4 Colonial Parkway, Storm Culvert Cleaning Project (2017).pdf

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Colonial Parkway Storm Culvert Cleaning Project

November 27th, 2017

CV001-CV114

Colonial Parkway Culvert Assessment

Lyttle Utilities inspected and cleaned a total of 114 drainage system culvert locations. These included culverts, grated drop inlets, and open culverts ends. Of the 114 line locations inspected and cleaned, 84 were in good working condition, 16 were noted as needing attention (broken grates, missing bricks, etc.), and 14 were in poor or completely failed condition (completely submerged, dirt completely above culvert and headwall, etc.)

Lines that were reported as less than good working condition or need further inspection and attention:

Overall, or about 88% of the Colonial Parkway Drainage System is in good working order. We were able to remove some extreme, and invasive root intrusions, completely remove pipe blockages from sediment build up, and restore flow to a number of culvert locations.

However, 12% or 14 culverts out of the114 examined, were reported having conditions beyond conventional hand repair. These locations included conditions such as pipe segments missing, extreme excavation and grading needed, or major tree removal needs.

Additionally, 2 Drop inlet had broken inlet grates. These are under “noted” section in table on contents on page 3.

Culvert and Drainage System Overview

Diagnostic Overview

Overall Colonial Parkway Drainage System Overview

Failed condition: 14 Noted Condition: 16 Mile 1.77 Mile 1.852 Mile 2.05 Mile 2.28 Mile 2.67 Mile 3.097 Mile 5.228 Mile 10.35

Mile 2.4 Mile 4.736 Mile 7.877 Mile 8.347 Mile 8.978 Mile 9.054 Mile 9.387 Mile 9.621

Mile 11.26 Mile 11.31 Mile 11.51 Mile 16.07 Mile 17.48 Mile 18.01

Mile 9.735 Mile 9.803 Mile 10.2 Mile 10.65 Mile 10.79 Mile 10.95 Mile 14.58 Mile 14.8

Total Culvers Cleaned: 114 Total Mileage: 21.91

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Table of Contents

Pg. 4 ..................................... Photo Catalogue Start

Pg.19 ..................................................... Mile 3.097 Pg. 46 .................................................... Mile 9.054

Pg.11 ..................................................... Mile 1.852 Pg. 24 ..................................................... Mile 4.736

Pg. 65 ..................................................... Mile 11.31 Pg. 55 ..................................................... Mile 10.20

Pg. 102 ..................................................... Mile 17.48 Pg. 62 ..................................................... Mile 10.95

Pg. 2 ..................................... Assessment Overview

Pg.15 ..................................................... Mile 2.28 Pg. 38 ..................................................... Mile 8.347

Failed Culverts Noted Culverts

Pg. 57 ..................................................... Mile 10.35 Pg. 50 ..................................................... Mile 9.735 Pg. 49 ..................................................... Mile 9.621

Pg. 118 .................................... Photo Catalogue End

Pg. 26 ..................................................... Mile 5.228 Pg. 47 ..................................................... Mile 9.387

Pg.13 ..................................................... Mile 2.05 Pg. 35 ..................................................... Mile 7.877

Pg. 68 ..................................................... Mile 11.51 Pg. 59 ..................................................... Mile 10.65

Pg. 104 ..................................................... Mile 18.01 Pg. 89 ..................................................... Mile 14.58 Pg. 91 ..................................................... Mile 14.80

Pg. 3 ..................................... Table of Contents

Pg.17 ..................................................... Mile 2.67 Pg. 43 ..................................................... Mile 8.978

Pg.10 .................................................... Mile 1.77 Pg. 12 ..................................................... Mile 2.00

Pg. 64 ..................................................... Mile 11.26 Pg. 51 ..................................................... Mile 9.803

Pg. 96 ..................................................... Mile 16.07 Pg. 60 ..................................................... Mile 10.79

Up stream inlet is overall good condition.

Down stream outlet is under route 17 but completely covered. Previously unlocated, still unable to locate.

Mile Marker 0.38

UP- STREAM BEFORE UP- STREAM AFTER

4 5

Notes: Overall good condition, removed leaves and minor silt build up in culvert.

Mile Marker 0.83

UP- STREAM BEFORE

DOWN- STREAM BEFORE

UP- STREAM AFTER

DOWN- STREAM AFTER

Notes: Overall good condition, removed silt build up at outlet.

Mile Marker 1.52 A

UP- STREAM BEFORE

DOWN- STREAM BEFORE

6 7

Cleaned leaves and brush and upstream culvert silt and mud. Cleared leaves and sticks and started to removed silt from downstream but halted work to wait on approval of how much soil we were allowed to dig up from culvert due to complete coverage. Due to this we did not take after picture at that time.

Mile Marker 1.52 B

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: Both ends in good working condition. Removed small trees, branches, brush, leaves, and silt from culvert and surrounding area.

Mile Marker 1.52 C

UP- STREAM BEFORE

DOWN- STREAM BEFORE

8 9

Notes: Culvert in good condition Free flowing stream with no restrictions.

Removed sticks and leaves.

Mile Marker 1.62

UP- STREAM BEFORE

DOWN- STREAM BEFORE

UP- STREAM AFTER

DOWN- STREAM AFTER

(Showing both sides of up-stream end)

(Showing both sides of up-stream end) (Showing both sides of down-stream end)

(Showing both sides of down-stream end)

Downstream outlet completely failed.

Down-stream outlet is 3-4 feet below grade and completely covered with hardened soil.

Mile Marker 1.77

UP- STREAM BEFORE

DOWN- STREAM BEFORE

10 11

Notes: Up-stream end in good condition Downstream end has no headwall. Earth holding up outlet is eroding away. Needs to be addressed.

Mile Marker 1.852

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: 2 separate drop inlets at this location

Mile Marker 2.0

UP- STREAM BEFORE

DOWN- STREAM BEFORE

12 13

Notes: Downstream outlet is well below grade. Covered with hardened soil. We were about to remove enough silt from outlet to let water passed but grade issues need to be addressed.

Mile Marker 2.05

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: Both ends in good condition and above grade. Removed leaves, brush and debris.

Mile Marker 2.129

UP- STREAM BEFORE

DOWN- STREAM BEFORE

14 15

Notes: Outlet is failing, outlet culvert is free hanging in the air due to erosion and large hole under.

Inlet was cleaned, removed sticks and leaves but after photo file was not working.

Mile Marker 2.28

DOWN- STREAM BEFORE DOWN- STREAM AFTER

Notes: Both ends in fair condition. Water is flowing freely but slightly below grade at inlet.

Mile Marker 2.4

UP- STREAM BEFORE

DOWN- STREAM BEFORE

16 17

Notes: Up-stream OK Down-stream is failing, earth eroded away causing last joint of pipe to fall down. See picture.

Mile Marker 2.67

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: Both ends in good condition. Free flowing channel.

Mile Marker 2.74

UP- STREAM BEFORE

DOWN- STREAM BEFORE

18 19

Notes: Upstream has erosion around inlet behind inlet headwall. Downstream is okay.

Mile Marker 3.097

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: Overall good condition. Two drop inlets cleared leaves. Minimal silt and grass build up.

Mile Marker 3.22

UP- STREAM BEFORE

DOWN- STREAM BEFORE

20 21

Notes: 2 drop inlets feed into Down stream culvert. Overall good condition.

Mile Marker 3.408

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: drop inlet into brick headwall culvert down stream. Both in good condition. Removed silt from down stream culvert.

Mile Marker 4.395

UP- STREAM BEFORE

DOWN- STREAM BEFORE

22 23

Notes: overall good condition, removed silt and grass grown over drop inlet grates.

Mile Marker 4.486

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: inlet grates in good condition, some bricks degraded around inlets.

Mile Marker 4.736

UP- STREAM BEFORE

DOWN- STREAM BEFORE

24 25

Notes: Overall good condition, cleared silt and grass build up.

Mile Marker 5.13

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: Outlet is completely failed. Last 80’ of ground has eroded under corrugated pipe leaving segment hanging and large hole in the ground.

Mile Marker 5.228

UP- STREAM BEFORE

DOWN- STREAM BEFORE

26 27

Notes: Overall good condition, outlet had large amount of silt removed.

Mile Marker 6.211

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: Overall good condition, removed silt, leaves, sticks, etc.

Mile Marker 6.4

UP- STREAM BEFORE

DOWN- STREAM BEFORE

28 29

Notes: Overall good condition, removed leaves and silt build up.

Mile Marker 6.43

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: Both headwalls have dirt build up Down stream is below grade

Mile Marker 6.476

UP- STREAM BEFORE

DOWN- STREAM BEFORE

30 31

Notes: overall good condition and grade is good.

Grate on upstream drop inlet is broken.

Mile Marker 6.552

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: Overall good condition. Removed leaves, sticks and minor silt.

Mile Marker 6.885

UP- STREAM BEFORE

DOWN- STREAM BEFORE

32 33

Notes: Overall good now, removed silt from inlet, and fallen tree, as well as silt and leaves from outlet.

Mile Marker 6.931

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: overall good condition.

Up stream headwall has lot of dirt build up.

Mile Marker 7.375

UP- STREAM BEFORE

DOWN- STREAM BEFORE

34 35

Notes: Loose bricks on up stream head wall. Overall condition and grade is good.

Mile Marker 7.877

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: A lot of dirt build up around inlet and outlet headwalls. removed silt from both inlet and outlet.

Mile Marker 8.006

UP- STREAM BEFORE

DOWN- STREAM BEFORE

36 37

Notes: Overall good, removed lots of leaves, sticks, and silt from inside culvert.

Mile Marker 8.259

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: two up stream drop inlets to a down stream outlet culvert.

Second DI is in median Down stream head wall has large amount of soil build up.

Mile Marker 8.347

UP- STREAM BEFORE

DOWN- STREAM BEFORE

UP- STREAM AFTER

Drop inlet 1 Drop inlet 2 Drop inlet 1 Drop inlet 2

38 39

Notes: overall good condition, removed sticks and debris.

Mile Marker 8.555

UP- STREAM BEFORE

DOWN- STREAM BEFORE

UP- STREAM AFTER

<-- Pulling large root out of culvert

Notes: Overall good condition, removed silt from outlet and restored flow as pictured below.

Mile Marker 8.577

UP- STREAM BEFORE

DOWN- STREAM BEFORE

40 41

Notes: Both headwalls have excess soil build up.

Mile Marker 8.774

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: Two drop inlets feeding to downstream outlet. Overall good condition. Removed silt from inlets and leaves and sticks from both inlets and outlet.

Mile Marker 8.888

UP- STREAM BEFORE

DOWN- STREAM BEFORE

42 43

Notes: up stream has lots of dirt build up around headwall

Mile Marker 8.978

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: overall good condition on both ends

Mile Marker 8.999

UP- STREAM BEFORE

DOWN- STREAM BEFORE

44 45

Notes: overall good working condition.

Mile Marker 9.00

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: large tree and roots growing into down stream headwall.

Mile Marker 9.05

UP- STREAM BEFORE

DOWN- STREAM BEFORE

46 47

Notes: Missing bricks in drop inlet foundation.

Mile Marker 9.387

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: Slightly below grade and some soil build up down stream headwall

Mile Marker 9.417

UP- STREAM BEFORE

DOWN- STREAM BEFORE

48 49

Notes: Downstream below grade

Mile Marker 9.621

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: Down stream soil build up and large tree growing into culvert and headwall.

Down stream also below grade.

Up stream is severely covered with soil that would require moving more than silt. Also below grade.

Mile Marker 9.735

UP- STREAM BEFORE

DOWN- STREAM BEFORE

50 51

Notes: Severe root intrusion throughout culvert

Mile Marker 9.803

UP- STREAM BEFORE

DOWN- STREAM BEFORE

UP- STREAM AFTER

Removed root intrusion pictured

Notes: Pictured: culvert intersection of downstream end of 9.87 and upstream end of 9.856.

Mile Marker 9.856

UP- STREAM BEFORE

Right culvert is 9.856 Right culvert is 9.856

DOWN- STREAM BEFORE

52 53

Left culvert is 9.879 Left culvert is 9.879

Notes: Overall good condition.

Mile Marker 9.879

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: Overall good condition. Two drop inlets.

Mile Marker 10.10

UP- STREAM BEFORE

DOWN- STREAM BEFORE

54 55

Notes: Inlet grate is deteriorating and not attached to concrete. It is also bent and not level.

Mile Marker 10.20

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: Overall good condition. Removed sticks, leaves, and debris.

Mile Marker 10.31

UP- STREAM BEFORE

DOWN- STREAM BEFORE

56 57

Notes: Outlet completely Failed and sever erosion present. See photo below.

Mile Marker 10.35

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: Overall fair condition, some sediment build up.

Mile Marker 10.50

UP- STREAM BEFORE

DOWN- STREAM BEFORE

58 59

Notes: Overall okay but outlet is slightly below grade.

Mile Marker 10.65

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: outlet is below grade but overall culverts in good condition. Removed sediment build up from inside.

Mile Marker 10.79

UP- STREAM BEFORE

DOWN- STREAM BEFORE

60 61

Notes: Overall fair condition. Large tree at upstream inlet but not blocking any flow.

Mile Marker 10.88

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: Up stream end previously no located, still not found. Scour protection needed.

Mile Marker 10.95

62 63

Notes: overall good condition.

Mile Marker 11.22

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: 11.26 and 11.31 both end in same basin. Basin outlet is completely failed. Completely submerged and very below grade.

Mile Marker 11.26

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Failed, below grade, submerged

64 65

Failed, below grade, submerged

Notes: Notes: 11.26 and 11.31 both end in same basin. Basin outlet is completely failed. Completely submerged and very below grade.

Mile Marker 11.31

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: overall good condition but may have slight grading and drainage issues. Some standing water present.

Mile Marker 11.426

UP- STREAM BEFORE

DOWN- STREAM BEFORE

66 67

Notes: overall good condition

Mile Marker 11.440

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: Down stream completely failed and submerged. Basin is far below grade.

Mile Marker 11.51

UP- STREAM BEFORE

DOWN- STREAM BEFORE

68 69

Notes: up steam headwall has lots of hardened soil build up on/around headwall.

Mile Marker 11.58

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: Good condition overall.

Mile Marker 11.600

UP- STREAM BEFORE

DOWN- STREAM BEFORE

70 71

Notes: Both ends in good working condition. upstream was cleaned but after photo file not working.

Mile Marker 11.800

Notes: good condition.

Mile Marker 11.979

UP- STREAM BEFORE

DOWN- STREAM BEFORE

72 73

Notes: overall good condition

12.01

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: 12.1 has 9 drop inlets that empties into terracotta outlet pictured first below.

12.1 has massive erosion and pipe segment will fail soon. Pipe will detach and break away at joint due to erosion.

Mile Marker 12.1 & 12.1 A

Drop inlets outlet before

12.1 A BEFORE

Drop inlets outlet after

12.1 A AFTER

74 75

Notes: Both good condition 12.1 C had minor silt build up

Mile Marker 12.1 B & 12.1 C

12.1 B BEFORE

12.1 C BEFORE

12.1 A AFTER

12.1 C AFTER

Notes: both just minor silt build up.

Mile Marker 12.1 D & 12.1 E

12.1 D BEFORE

12.1 E BEFORE

12.1 D AFTER

12.1 E AFTER

76 77

Notes: both had substantial silt build up

Mile Marker 12.1 F & 12.1 G

12.1 F BEFORE

12.1 G BEFORE

12.1 F AFTER

12.1 G AFTER

Notes: 12.1 I had lots of silt

Mile Marker 12.1 H & 12.1 I

12.1 H BEFORE

12.1 I BEFORE

12.1 H AFTER

12.1 I AFTER

78 79

Notes: Root intrusion, growing through joint about 10’ into pipe.

Mile Marker 12.30

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: Overall good condition, removed silt and roots from downstream culvert.

Mile Marker 12.40

UP- STREAM BEFORE

DOWN- STREAM BEFORE

80 81

Notes: upstream overall good condition. No downstream present or able to be located.

Mile Marker 13.40

UP- STREAM BEFORE UP- STREAM AFTER

Notes: upstream mesh grate has cut and damage to it, needs to be addressed. Downstream could use riprap to reduce future erosion.

Mile Marker 13.60

UP- STREAM BEFORE

DOWN- STREAM BEFORE

82 83

Notes: Good condition overall. Little sediment and silt in culvert. No major obstructions to inlet or outlet.

Mile Marker 13.69

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: Lots of sticks, garbage and debris but no major problems. Removed obstructions and silt from culvert and restored flow and moving water channel.

Mile Marker 13.69 A

UP- STREAM BEFORE

DOWN- STREAM BEFORE

84 85

Notes: Lots of leaves and a little silt

Mile Marker 13.93

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: about 6’’ of water in culvert but no flow obstructions. May be a grading issue downstream.

Mile Marker 14.23

UP- STREAM BEFORE

DOWN- STREAM BEFORE

86 87

Notes: upstream channel migrated to right of headwall, would have to do more than remove silt to correct. slit grading issue on outlet side. overall good condition and able to flow reasonably well.

Mile Marker 14.32

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: A lot of leaves at inlet, with minor erosion around concert housing drop inlet. Outlet 90 degree wall has minimum silt.

Mile Marker 14.44

DOWN- STREAM BEFORE

88 89

Notes: upstream good condition.

Downstream has soil build up overtaking headwall, tree growing on top of culvert with potential for extreme root intrusion in the future.

Mile Marker 14.58

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: Inlet fine, outlet headwall partial coverage and was half full of silt. Some channel degradation.

Mile Marker 14.74

UP- STREAM BEFORE

DOWN- STREAM BEFORE

90 91

Notes: Downstream, #2 stone footing almost gone and outlet has bad erosion. up stream has soil and high grade but removed silt from inside culvert.

Mile Marker 14.80

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: removed silt build up upstream, downstream is okay but could use more riprap.

Mile Marker 14.82

UP- STREAM BEFORE

DOWN- STREAM BEFORE

92 93

Notes: Up stream was clogged with lots of silt. Downstream is good shape.

Mile Marker 14.84

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: Leaves and branches upstream, outlet submerged. Bad grade in drainage basin.

Mile Marker 15.15

UP- STREAM BEFORE

DOWN- STREAM BEFORE

94 95

Notes: Leaves at inlet 1/2 full sediment build up at outlet but cleaned. Tree growing through pipe at outlet with severe root intusion.

needs to be addressed asap.

Mile Marker 15.32

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: Upstream tree root growing into pipe, bad root intrusion but removed a lot for a temporary fix. Needs to be addressed. ‘ Downstream 3/4 under water bad grade, fixing is needed.

Mile Marker 16.07

UP- STREAM BEFORE

DOWN- STREAM BEFORE

96 97

Notes: downstream outlet is corroding. Downstream leaves and debris, upstream a lot of leaves and sticks.

Mile Marker 16.117

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: Overall good condition, just had lots of leaves and tree branches.

Mile Marker 16.175

UP- STREAM BEFORE

DOWN- STREAM BEFORE

98 99

Notes: Good condition on both inlet and outlet.

Mile Marker 16.400

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: There was an entire tree cut up into logs and thrown in front of outlet. Disposed of logs and cleared silt from outlet. Up steam had tree that was fallen down and covering inlet. Disposed of tree and brush.

Mile Marker 16.89

UP- STREAM BEFORE

DOWN- STREAM BEFORE

100 101

Notes: A lot of debris, downstream covered by large amount of small trees, branches, and brush. Small amount of silt removed from cul-vert. Overall good shape.

Mile Marker 17.26

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: Both headwalls damaged due to tree growth. Upstream headwall is submerged. Down stream okay.

Mile Marker 17.48

UP- STREAM BEFORE

DOWN- STREAM BEFORE

102 103

Notes: inlet has lots of leaves. Downstream has large tree growing into culvert opening needs to be removed.

Mile Marker 17.61

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: 18.01 was previously not found. We think we located it but it was completely failed and submerged.

Mile Marker 18.01

Possibly 18.01

104 105

Notes: Culvert and headwalls in good shape. Removed leaves and debris.

Mile Marker 18.45

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: Very little silt in culvert, headwalls good, overall good condition.

Mile Marker 18.61

UP- STREAM BEFORE

DOWN- STREAM BEFORE

106 107

Notes: Downstream access was completely overgrown with trees, brush, and debris. We cleared path to allow access and cleared debris from front of outlet. Outlet is slightly below grade but also area is just swampy.

Upstream inlet and headwall are good condition. Removed small amount of silt.

Mile Marker 18.69

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: Just leaves on top, no issues tidal stream flowing freely.

Mile Marker 19.01

UP- STREAM BEFORE

DOWN- STREAM BEFORE

108 109

Notes: Upstream head leaves, down stream had leaves brush. Good overall condition.

Mile Marker 19.89

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: Upstream has leaves, downstream had leaves, debris ,sticks and minor silt build up. Overall good condition.

Mile Marker 20.0

UP- STREAM BEFORE

DOWN- STREAM BEFORE

110 111

Notes: Inlet and outlet both had leaves, outlet has leaves, dirt and some silt build up inside culvert.

Mile Marker 20.07

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: Some root intrusion upstream and downstream. Both also had some silt build up in culvert.

Mile Marker 20.20

UP- STREAM BEFORE

DOWN- STREAM BEFORE

112 113

Notes: Inlet has leaves, small trees close. Outlet had 2.5 feet of mud and silt built up in culvert blocking 100% of water flow. It was all removed and restored flow and drainage ability.

Mile Marker 20.39

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: Overall good condition. Removed brush and leaves.

Mile Marker 20.60

UP- STREAM BEFORE

DOWN- STREAM BEFORE

114 115

Notes: Two up-stream drop inlets that feed into downstream culvert with brick headwall. Downstream has lots of leaves, brush and de-bris. Also had erosion under headwall downstream.

Mile Marker 20.68

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Notes: Leaves and debris. Overall good condition.

Mile Marker 20.95

UP- STREAM BEFORE

DOWN- STREAM BEFORE

116 117

Notes: Bad grade overall, standing water upstream and downstream.

Mile Marker 20.96

UP- STREAM BEFORE

DOWN- STREAM BEFORE

Post photo file corrupted.

Notes: lots of leaves and soil build up around headwalls. Silt build up removed from culvert.

Mile Marker 21.8

UP- STREAM BEFORE

DOWN- STREAM BEFORE