ID :468 Suspension Bridge at Silingsera (Nayal Bridge)

on Chainage 0.000 of road unknown

In District Almora Under CD Almora Division


Critical Report on Bridge Condition

Form Filled By Jagdish Chandra Pandey [050010318]

Inspection Team

Detail Report

# Parameter Problem ? How Bad? How Much?
1 ROAD APPROCHES AND DECK Component Weightage 10
A- ROAD SURFACE NEAR BRIDGE
a) Bumpy road surface near bridge? Not Applicable -- -- --
B- DRAINAGE
a) Badly built road drainage near bridge? Not Applicable -- -- --
b) Blocked or damaged road drains? Not Applicable -- -- --
c) Water on the deck? Not Applicable -- -- --
d) Blocked or damaged deck drains? Not Applicable -- -- --
C- WEARING COAT
CONCRETE WEARING COURSE
a) Cracking? NO Problem -- -- 0
b) Spalling? NO Problem -- -- 0
c) Reinforcement exposed? NO Problem -- -- 0
d) Poor concrete? NO Problem -- -- 0
e) Wear of surface due to small stones? NO Problem -- -- 0
D- KERBS & FOOTPATHS
a) Loose railing fixtures? Not Applicable -- -- --
a) Damaged or loose kerbs? Not Applicable -- -- --
2 PARAPETS, RAILINGS AND CRASH BARRIERS Component Weightage 10
a) Impact damaged? NO Problem -- -- 0
b) Loose or damaged fixings? NO Problem -- -- 0
c) Loose base of posts? NO Problem -- -- 0
d) Damaged coatirig or paint on steel surface? NO Problem -- -- 0
e) Corrosion on steel surface? NO Problem -- -- 0
f) Cracking on Masonary Parapets? NO Problem -- -- 0
g) Movement or bending of parapet? NO Problem -- -- 0
h) Poor pointing/ Plaster on parapet? NO Problem -- -- 0
i) Deterioration of bricks or stones? NO Problem -- -- 0
3 EXPANSION JOINT AT ABUTMENTS & PIERS Component Weightage 10
a) Damage to concrete of deck end or dirt wall near joint? NO Problem -- -- 0
b) Debris or vegetation in joint? NO Problem -- -- 0
c) Loose or damaged fixtures? NO Problem -- -- 0
d) Damage or corrosion to metal parts? NO Problem -- -- 0
e) Damage to rubber waterseals? NO Problem -- -- 0
4 RIVER Component Weightage 10
A- BLOCKAGES IN WATERWAY
a) Debris against piers or abutments? NO Problem -- -- 0
b) Remains of old bridge under or upstream of the bridge? NO Problem -- -- 0
c) Fencing or buildings under bridge? NO Problem -- -- 0
d) Trees or bushes.growing under bridge? NO Problem -- -- 0
B- CHANGE IN RIVER COURSE
a) River changing path upstream of bridge? NO Problem -- -- 0
b) New islands forming upstream of bridge? NO Problem -- -- 0
C- RIVER TRAINING WORKS
a) River attack beyond the upstream end of river training works? NO Problem -- -- 0
b) Damage to walls? NO Problem -- -- 0
c) Loss of pitching? NO Problem -- -- 0
d) Damage to crates, timber, fencing, etc.? NO Problem -- -- 0
e) Damage to trees? NO Problem -- -- 0
5 SUPERSTRUCTURE Component Weightage 60
STEEL GIRDERS
General
a) Impact damage to girders, trusses or bracings? NO Problem -- -- 0
b) Debris or vegetation on beams, girders, trusses bracings or joints? NO Problem -- -- 0
c) Water coming through the deck? NO Problem -- -- 0
d) Water from the deck drainage flowing on to girders, trusses, beams or bracings? NO Problem -- -- 0
e) Not enough vertical & horizontal clearances? NO Problem -- -- 0
STEEL GIRDERS AND BRACINGS
a) Deterioration of paint or galvanising NO Problem -- -- 0
b) Corrosion? NO Problem -- -- 0
c) Bends in webs, flanges, stiffeners or bracings? NO Problem -- -- 0
d) Loose bolts or rivets? NO Problem -- -- 0
e) Cracking? NO Problem -- -- 0
STEEL UNDERSIDE OF DECK
a) Deterioration of paint or galvanising? NO Problem -- -- 0
b) Corrosion? NO Problem -- -- 0
c) Bends in stringers or plates? NO Problem -- -- 0
d) Loose bolts or rivets? NO Problem -- -- 0
e) Cracking? NO Problem -- -- 0
6 BEARINGS Component Weightage 10
METAL BEARINGS
a) Debris or vegetation around bearings? Yes Not So Bad Not Much Qty 1
b) Bad drainage? NO Problem -- -- 0
c) Not enough room for the bridge span to move? NO Problem -- -- 0
d) Bearing not seated properly? NO Problem -- -- 0
e) Bridge span not seated properly on bearing? NO Problem -- -- 0
f) Damaged bedding mortar? NO Problem -- -- 0
g) Damaged or loose earthquake restraints? NO Problem -- -- 0
METAL BEARINGS
a) Parts not properly seated? NO Problem -- -- 0
b) Parts not free to move? NO Problem -- -- 0
c) Problem with the lubrication system? NO Problem -- -- 0
d) Sliding surfaces damaged? NO Problem -- -- 0
e) Cracks or bends in metal parts/ Bearing? NO Problem -- -- 0
f) Corrosion of metal parts? NO Problem -- -- 0
7 Right Side ABUTMENT, WING WALLS & RETAINING WALLS Component Weightage 10
A- GENERAL
a) Erosion or scour at abutment? NO Problem -- -- 0
b) Damage to foundation? NO Problem -- -- 0
c) Movement of abutment? NO Problem -- -- 0
d) Debris against abutment? NO Problem -- -- 0
e) Vegetation growing on-or in abutment? Yes Not So Bad Not Much Qty 1
f) Scour near to retaining walls? NO Problem -- -- 0
g) Movement of retaining walls? NO Problem -- -- 0
h) Water leaking down through the expansion joint? NO Problem -- -- 0
B- DRAINAGE SYSTEM
a) Not enough weepholes? NO Problem -- -- 0
b) Weepholes not working? NO Problem -- -- 0
c) Water leaking through the abutment? NO Problem -- -- 0
C- CONCRETE WALLS
a) Cracking? Not Applicable -- -- --
b) Spalling? Not Applicable -- -- --
c) Corrosion of reinforcement? Not Applicable -- -- --
d) Poor concrete? Not Applicable -- -- --
D- MASONRY WALLS
a) Cracking? NO Problem -- -- 0
b) Bulging? NO Problem -- -- 0
c) Poor pointing? NO Problem -- -- 0
d) Deterioration of bricks or stones? NO Problem -- -- 0
E- EMBANKMENTS AND FILL IN FRONT OF ABUTMENT
a) Scour at base of slopes? NO Problem -- -- 0
b) Slippage of fill? NO Problem -- -- 0
c) Erosion of fill? NO Problem -- -- 0
d) Cracking of road or embankment edge? NO Problem -- -- 0
e) Piping failure of fill? NO Problem -- -- 0
8 Left Side ABUTMENT, WING WALLS & RETAINING WALLS Component Weightage 10
A- GENERAL
a) Erosion or scour at abutment? NO Problem -- -- 0
b) Damage to foundation? NO Problem -- -- 0
c) Movement of abutment? NO Problem -- -- 0
d) Debris against abutment? NO Problem -- -- 0
e) Vegetation growing on-or in abutment? NO Problem -- -- 0
f) Scour near to retaining walls? NO Problem -- -- 0
g) Movement of retaining walls? NO Problem -- -- 0
h) Water leaking down through the expansion joint? NO Problem -- -- 0
B- DRAINAGE SYSTEM
a) Not enough weepholes? NO Problem -- -- 0
b) Weepholes not working? NO Problem -- -- 0
c) Water leaking through the abutment? NO Problem -- -- 0
C- CONCRETE WALLS
a) Cracking? Not Applicable -- -- --
b) Spalling? Not Applicable -- -- --
c) Corrosion of reinforcement? Not Applicable -- -- --
d) Poor concrete? Not Applicable -- -- --
D- MASONRY WALLS
a) Cracking? NO Problem -- -- 0
b) Bulging? NO Problem -- -- 0
c) Poor pointing? NO Problem -- -- 0
d) Deterioration of bricks or stones? NO Problem -- -- 0
E- EMBANKMENTS AND FILL IN FRONT OF ABUTMENT
a) Scour at base of slopes? NO Problem -- -- 0
b) Slippage of fill? NO Problem -- -- 0
c) Erosion of fill? NO Problem -- -- 0
d) Cracking of road or embankment edge? NO Problem -- -- 0
e) Piping failure of fill? NO Problem -- -- 0
9 Embankments Component Weightage 10
A- STONE PITCHING SLOPE PROTECTION
a) Cracking? Not Applicable -- -- --
b) Poor pointing? Not Applicable -- -- --
c) Scour or erosion at edge? Not Applicable -- -- --
d) Pieces broken off? Not Applicable -- -- --
e) Piping failure of fill? Not Applicable -- -- --
B- SLOPE PROTECTION WITH CRATES
a) Not much movement of crates? Not Applicable -- -- --
b) Damage to crates or ties? Not Applicable -- -- --
C- PITCHING SLOPE PROTECTION WITH CONCRETE BLOCKS
a) Slope getting washed out? Not Applicable -- -- --
b) Settlement? Not Applicable -- -- --
10 RIVER BED Component Weightage 10
A- BED PROTECTION AND APRONS
a) Large holes in the river bed? NO Problem -- -- 0
b) Loss of material NO Problem -- -- 0
c) Crates broken away from pier or abutment? NO Problem -- -- 0
d) Damage to wires or ties? NO Problem -- -- 0
B- STONE PITCHING OR CONCRETE BED PROTECTION AND APRONS
a) Scour at edge? Not Applicable -- -- --
b) Cracking? Not Applicable -- -- --
c) Spalling or stones missing? Not Applicable -- -- --
d) Erosion of surface? Not Applicable -- -- --
e) Corrosion of reinforcement? Not Applicable -- -- --
11 PIERs Component Weightage 60
Pier-1
TYPE - MASONRY PIERS
a) Scour near base of pier? NO Problem -- -- 0
b) Damage to foundations? NO Problem -- -- 0
c) Movement of pier? NO Problem -- -- 0
d) Impact damage? NO Problem -- -- 0
e) Vegetation growirig on pier? NO Problem -- -- 0
f) Water Leaking past expansion joint NO Problem -- -- 0
MASONRY PIERS
a) Cracking? NO Problem -- -- 0
b) Poor pointing? NO Problem -- -- 0
c) Deterioration of masonry NO Problem -- -- 0
Pier-2
TYPE - MASONRY PIERS
a) Scour near base of pier? NO Problem -- -- 0
b) Damage to foundations? NO Problem -- -- 0
c) Movement of pier? NO Problem -- -- 0
d) Impact damage? NO Problem -- -- 0
e) Vegetation growirig on pier? NO Problem -- -- 0
f) Water Leaking past expansion joint NO Problem -- -- 0
MASONRY PIERS
a) Cracking? NO Problem -- -- 0
b) Poor pointing? NO Problem -- -- 0
c) Deterioration of masonry NO Problem -- -- 0

End of Report