The Study on the Road Network Development in the Kingdom of Cambodia - 3.3 Bridge Design - 3.3.1 Existing Bridge Conditions

Oct 23, 2026

Section 3.3.1 reports site investigation findings for bridges along NR.57 alignment in the Kingdom of Cambodia. It explains that highway bridges are defined as structures crossing depressions or obstructions and carrying moving loads, and therefore the inventory includes only openings greater than 6.0 m. A detailed bridge inventory table lists ref. number, province, station, bridge type, dimensions, spans, superstructure, substructure, load limits, and assessed condition, including examples ranging from fair to very poor states such as collapsed or sagging slabs and landmine-affected areas.

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3.3 Bridge Design

3.3.1 Existing Bridge Conditions

Bridge inventory along NR.57

Final Report The Study on the Road Network Development in the Kingdom of Cambodia October 2006 3.3 Bridge Design 3.3.1 Existing Bridge Conditions Site investigation was conducted to determine the bridge structures along NR.57 alignment and the findings are described in this section. As defined in Chapter A-4, bridges are highway structures over a depression or obstruction and carrying traffic or other moving load with an opening measured along the road centerline of more than 6.0m. Therefore, the inventory covered herein includes only structures with opening greater than 6.0m (Table 3.3.1) . Table 3.3.1 Bridges Along NR.57 | Ref.
No. | Province | Station1) | Bridge Type | Length
(m) | Width
(m) | No. of
Spans | Superstructure | Substructure | Load
Limit
(tons) | Condition2) | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | Battambang | 002+900 | RC Slab Bridge | 14.0 | 6.8 | 3 | RC continuous slab | Wall Masonry | - | Fair (worn-out slab surface); waterway section filled-up | | 2 | Battambang | 003+000 | RC Slab Bridge | 11.0 | 6.0 | 3 | RC continuous slab | Wall Masonry | - | Fair (worn-out slab surface); waterway section filled-up | | 3 | Battambang | 003+150 | RC Slab Bridge | 14.0 | 7.0 | 3 | RC continuous slab | Wall Masonry | - | Fair (worn-out slab surface) | | 4 | Battambang | 003+900 | RC Slab Bridge | 7.5 | 7.0 | 2 | RC continuous slab | Wall Masonry | - | Fair (worn-out slab surface) | | 5 | Battambang | 009+700 | RC Slab Bridge | 7.3 | 6.3 | 2 | RC continuous slab | Wall Masonry | - | Poor (worn-out slab surface;
sagging slab) | | 6 | Battambang | 010+000 | RC Slab Bridge | 10.5 | 6.5 | 3 | RC continuous slab | Wall Masonry | - | Fair (worn-out slab surface) | | 7 | Battambang | 014+800 | RC Slab Bridge | 11.0 | 6.2 | 2 | RC continuous slab | Wall Masonry | - | Poor (partially collapsed) | | 8 | Battambang | 016+000 | RC Slab Bridge | 10.5 | 6.8 | 2 | RC continuous slab | Wall Masonry | - | Fair (worn-out slab surface) | | 9 | Battambang | 016+300 | RC Slab Bridge | 9.0 | 6.8 | 2 | RC continuous slab | Wall Masonry | - | Very Poor (1-span collapsed) | | 10 | Battambang | 016+400 | RC Slab Bridge | 10.0 | 6.5 | 2 | RC continuous slab | Wall Masonry | - | Fair (worn-out slab surface) | | 11 | Battambang | 016+500 | RC Slab Bridge | 9.0 | 6.5 | 2 | RC continuous slab | Wall Masonry | - | Fair (worn-out slab surface) | | 12 | Battambang | 016+800 | RC Slab Bridge | 9.0 | 6.5 | 2 | RC continuous slab | Wall Masonry | - | Fair (worn-out slab surface) | | 13 | Battambang | 016+900 | RC Slab Bridge | 10.0 | 5.5 | 2 | RC continuous slab | Wall Masonry | - | Very Poor (collapsed) | | 14 | Battambang | 017+100 | RC Slab Bridge | 9.0 | 6.0 | 2 | RC continuous slab | Wall Masonry | - | Fair (worn-out slab surface) | | 15 | Battambang | 017+900 | RC Slab Bridge | 9.0 | 6.5 | 2 | RC continuous slab | Wall Masonry | - | Fair (worn-out slab surface) | | 16 | Battambang | 023+100 | RC Slab Bridge | 7.0 | 5.8 | 2 | RC continuous slab | Wall Masonry | | Fair (worn-out slab surface) | | 17 | Battambang | 040+735 | Bailey Bridge | 12.0 | 4.2 | 1 | Bailey truss with timber
deck | RC abutment | - | Poor (superstructure) | | 18 | Battambang | 041+930 | Bailey Bridge | 24.0 | 4.2 | 2 | Bailey truss with timber
deck | RC abutment and
timber post piers | - | Poor (superstructure and
substructure) | | 19 | Battambang | 051+808 | Bailey Bridge | 27.0 | 4.2 | 1 | Bailey truss with timber
deck | RC abutment | - | Poor (superstructure) | | 20 | Battambang | 055+998 | Bailey Bridge | 12.0 | 4.2 | 1 | Bailey truss with timber
deck | Old RC abutment | - | Poor (superstructure) | | 21 | Battambang | 058+913 | Bailey Bridge | 24.0 | 4.2 | 1 | Bailey truss with timber
deck | RC abutment | - | Poor (superstructure);
Landmine area | | 22 | Battambang | 060+081 | Bailey Bridge | 48.0 | 4.2 | 2 | Bailey truss with timber
deck | RC abutment and
timber post piers | 10

FAQs

What criterion defines which bridges are included in the inventory for this section?

The inventory includes only bridge structures with an opening measured along the road centerline greater than 6.0 m.

What information does Table 3.3.1 provide for each bridge?

For each entry, it lists province and station, bridge type, length, width, number of spans, superstructure and substructure, load limit, and the evaluated condition.

What kinds of condition problems are reported in the existing bridges?

The conditions range from fair to very poor, including worn or collapsed slab surfaces, sagging slabs, diagonal cracks, deformed structures, and flooded approach road sections; some locations are also noted as landmine areas.

Oct 23, 2026

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