ST8501-CS 860306BRIDGE INSPECTION
Maintenance inspections should be conducted about every six months.
Every fourth inspection should include an in-depth safety in-
spection.
INSPECTION - Visual & Physical Observation
Waterway and Channel
A. Scour and Undermining
B. Evidence of High Water
C. Sand or Gravel Deposits
D. Reinforced Slopes, Embankments, &Channel Walls
E. Orientation of the Waterway
F. Probe Streambed
G. Profile Record
II Abutments and Piers
A. Plumbness of Substructure
B. Movement
C. Deterioration and Scour
III Bearings
A. Anchor Bolts
B. Proper Movement
C. Dirt & Debris
D. Grout pads & Pedestals
E. Position Correlated for Season
IV Beams
1.
A.
B.
C.
D.
E.
2.
A.
Steel
Dirt on Flanges
Rust
Paint Deterioration
Cracks
Twisting or Seep
Concrete
Cracks under Deck Joints
V Trusses
A. Dirt/Debris at Connections
B. Paint Deterioration
C. Straightness
D. Longitudinal Alignment
E. Bearings
F. Nuts & Keys & Rivets
G. Buckling or Bow Shapes in Compression Members
VI Decks
A.
B.
C.
Skid Resistant
Deck Drains
Cracking, Leaching, Scalling, Potholing, & Spalling
VII Deck Expansion Joints
A. Loose Plates (sounding)
B. Seals
VIII
Wearing Surfaces
A. Cracking
B. Surface Break Up
C. Excessive Deflection
D. Delamination (drag chain)
IX Approaches
A. Level and on Grade
B. Shoulders
C. Slopes
D. Ditches
E. Approach Guardrail
January 1988 Public Works
based on Tech Transfer Number 17, April 1987
Published by Technology Transfer Program
Institute of Transportation Studies
University of California, Berkley