Method setHasBridge

src/OpenLoco/include/OpenLoco/Map/RoadElement.h:43–47

        bool hasGhostMods() const { return (_4 & 0x40) != 0; }
        bool hasBridge() const { return (_4 & 0x80) != 0; }
        void setHasBridge(bool hasBridge)
        {
            _4 &= ~0x80;
            _4 |= hasBridge ? 0x80 : 0;
        }
        uint8_t laneOccupation() const { return (_4 & 0x30) >> 4; }
        void setLaneOccupation(uint8_t newLaneOccupation)
        {