ID :1350 Chtawapipal Suspension Bridge Over Alaknanda River

on Chainage 0.500 of Chatwapipal Pokhari bridle road

In District Chamoli Under CD Pokhari Division


Critical Report on Bridge Condition

Form Filled By Sanjay Prashad Sinha [380010789]

Inspection Team

"79 meter span suspension bridge was constructed on 1905,of conctete ,wood and mix deck,now looking safe bur in future replacement required "

(Sanjay Prashad Sinha)

Executive Engineer Civil

on Nov 24, 2023

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? NO Problem -- -- 0
B- DRAINAGE
a) Badly built road drainage near bridge? NO Problem -- -- 0
b) Blocked or damaged road drains? NO Problem -- -- 0
c) Water on the deck? NO Problem -- -- 0
d) Blocked or damaged deck drains? NO Problem -- -- 0
C- WEARING COAT
TIMBER WEARING COURSE
a) Dirt or Plants between boards? NO Problem -- -- 0
b) Decay? Yes Not So Bad Some Qty 2
c) Insect attack? NO Problem -- -- 0
d) Splitting of timbers? Yes Not So Bad Some Qty 2
e) Loose or damaged fixing? Yes Bad Some Qty 5
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? Yes Bad Some Qty 5
e) Corrosion on steel surface? Yes Bad Some Qty 5
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? Not Applicable -- -- --
b) Debris or vegetation in joint? Yes Not So Bad Not Much Qty 1
c) Loose or damaged fixtures? NO Problem -- -- 0
d) Damage or corrosion to metal parts? Not Applicable -- -- --
e) Damage to rubber waterseals? Not Applicable -- -- --
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 TRUSSES
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 TRUSSES
a) Deterioration of paint or galvanising? Yes Bad Some Qty 5
b) Corrosion? Yes Bad Some Qty 5
c) Bends in members? NO Problem -- -- 0
d) Bent or damaged joints? NO Problem -- -- 0
e) Bent or damaged bracing? NO Problem -- -- 0
f) Loose bolts or rivets? Yes Bad Some Qty 5
g) Cracking of steel members? NO Problem -- -- 0
STEEL UNDERSIDE OF DECK
a) Deterioration of paint or galvanising? NO Problem -- -- 0
b) Corrosion? Yes Bad Some Qty 5
c) Bends in stringers or plates? NO Problem -- -- 0
d) Loose bolts or rivets? Yes Not So Bad Some Qty 2
e) Cracking? NO Problem -- -- 0
6 BEARINGS Component Weightage 10
NOT APPLICABLE
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? Not Applicable -- -- --
b) Slippage of fill? Not Applicable -- -- --
c) Erosion of fill? Not Applicable -- -- --
d) Cracking of road or embankment edge? NO Problem -- -- 0
e) Piping failure of fill? Not Applicable -- -- --
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? 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
9 Embankments Component Weightage 10
A- STONE PITCHING SLOPE PROTECTION
a) Cracking? NO Problem -- -- 0
b) Poor pointing? NO Problem -- -- 0
c) Scour or erosion at edge? NO Problem -- -- 0
d) Pieces broken off? NO Problem -- -- 0
e) Piping failure of fill? NO Problem -- -- 0
B- SLOPE PROTECTION WITH CRATES
a) Not much movement of crates? NO Problem -- -- 0
b) Damage to crates or ties? NO Problem -- -- 0
C- PITCHING SLOPE PROTECTION WITH CONCRETE BLOCKS
a) Slope getting washed out? NO Problem -- -- 0
b) Settlement? NO Problem -- -- 0
10 RIVER BED Component Weightage 10
A- BED PROTECTION AND APRONS
a) Large holes in the river bed? Not Applicable -- -- --
b) Loss of material Not Applicable -- -- --
c) Crates broken away from pier or abutment? Not Applicable -- -- --
d) Damage to wires or ties? Not Applicable -- -- --
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 -- -- --

End of Report