FLOOD09724

• County: Statewide
• Basin: Statewide
• Title: Culvert Inspection Manual Supplement to the Bridge Inspectors Training Manual
• Date: 5/1/1986
• Prepared For: Federal Highway Administration
• Prepared By: Office of Engineering
• Floodplain - Doc Type: Educational/Technical/Reference Information

Exhibit 69. Close-up of loose and missing bolts at a
cusped seam. Loose fasteners are usually
detected by tapping the nuts with a

hanmer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97

Exhibit 70. Cocked seam with cusp effect.......................9B

Exhibit 71. Cracking due to deflection.........................99

Exhibit 72. Circumferential seam failure due to
embankment slippage.............................. .100

Exhibit 73. Suggested rating criteria for condition
of corrugated meta 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .102

Exhibit 74. Perforation of the invert due to
corros i on. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .103

Exhibit 15. Invert deterioration............................ ..103

Exhibit 16. Oifferential footing settlement.................. .104
Exhibit 11. Footing rotation due to undermining...............105

Exhibit 18. Erosion of invert undermining footing
of arch...........................................l 05

Exhibit 19. Erosion damage to concrete invert.................106

Exhibit 80. Excessive side deflection.........................l08

Exhibit Bl. Shape inspection circular and vertical

elongated pipe................................... .109

Exhibit 82. Condition rating guidelines. ......................110
Exhibit 83. 80ttom distortion in pipe arches..................lll
Exhibit 84. 80ttom and corners of this pipe arch

have settled..................................... .112

Exhibit 85. Shape inspection structural plate
pipe arc h. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113

Exhibit 86. Condition rating guidelines.......................115
Exhibit 87. Arch deflection during installation...............l16

Exhibit 88. Racked and peaked arch............................117
Exhibit 89. Shape inspection structural plate arch............118

viii