These are often used in highway design when the geometry cannot accommodate straight bridges.

• A. Curved Bridges
• B. Skewed Bridges
• C. Straight Bridges
• D. Through Bridge

Answer: (B)

When a highway crossing doesn’t line up perpendicular to the road, engineers use a skewed bridge. The idea is to keep the bridge deck straight, but rotate the bridge axis so it meets abutments that are offset along the crossing. This lets the bridge fit the geometry without forcing an awkward, non-rectilinear layout. It’s a practical solution for oblique crossings, such as where a river, railway, or another road intersects at an angle.

Curved bridges would involve bending the deck along its length to follow a curved path, which adds complexity and is not typically used just to accommodate an oblique crossing. Straight bridges or a through bridge don’t address the need to align with offset abutments. Therefore, the option that matches the situation is a skewed bridge.